30 November 2023

#Service_Discovery

Service_Discovery

#GIT

GIT

#SVN

SVN

#GitLab

GitLab

#Pulumi

Pulumi

21 November 2023

#Apache_Archiva

Apache Archiva

20 November 2023

#CoreJava

CoreJava
What is Single Inheritance?
What is Multilevel Inheritance?
What is Hierarchical Inheritance?
What is Hybrid Inheritance?
What is Multiple Inheritance?
What is string constant pool?
What is special about string objects as compared to objects of other derived types?
What is the difference between String, StringBuffer and StringBuilder?
What is string intern?
What is the main difference between Java strings and C, C++ strings?
What is the similarity and difference between String and StringBuffer class?
What is the similarity and difference between StringBuffer and StringBuilder class?
What is difference between Java 8 StringJoiner, String.join() and Collectors.joining()?
What is ArrayStoreException in java? When you will get this exception?
What is an anonymous array? Give example?
What is the difference between int[] a and int a[] ?
What is ArrayIndexOutOfBoundsException in java? When it occurs?
What are the types of inheritance.?
What are the differences between Array and ArrayList in java?
What are the different ways of copying an array into another array?
What are jagged arrays in java? Give example?
What are the different ways of declaring multidimensional arrays in java?
What are the different ways to iterate over an array in java?
What are the drawbacks of the arrays in java?
What do you mean by inheritance.?
What do you mean by mutable and immutable objects?
What do you think about string constant pool? Why they have provided this pool as we can store string objects in the heap memory itself?
What happens if both, super class and sub class, have a field with same name.?
What value does array elements get, if they are not initialized?
What are manipulators?
What is a virtual function?
What is a ternary operator?
What is method overriding?
What is the main difference between overloading and overriding?
What is the difference between new and override?
What is Polymorphism?
What is Abstraction?
What is Runtime Polymorphism (Dynamic Polymorphism)?
What is Compile time polymorphism (Static polymorphism)?
What is encapsulation?
What is the diamond problem?
What is Aggregation?
What is the difference between Association and Dependency?
What is Composition?
What Is Operator Overloading?
What Is The Use Of Finalize Method?
What Is Exception Handling?
What Is Pure Virtual Function?
What are the rules of method overloading and overriding in Java?
What is the covariant method overriding in Java?
What problem is solved by the Strategy pattern in Java?
What are the problems might be created when you are trying to implement multiple inheritance concept in java?
What are the pillars of OOP theory?
What is a parametric constructor?
What is a friend function?
What is early binding?
What is late binding?
What are tokens?
What is the need of abstract class?
What is the key difference between concrete class and abstract class?
What are the advantages of object oriented programming?
What are the properties that are defined in an Object model?
What is Coupling?
What is Is-A and Has-A relationship?
What is object cloning?
What are access modifiers?
What is a class?
What is a constructor in java?
What is a superclass?
What is a token?
What is an Abstract class in OOP?
What is an object?
What is Association?
What is class and object?
What is data hiding?
What is early and late binding?
What is inheritance? Benefits? Types?
What is Oops? Features? Why do we need OOPs?
What is Static Binding?
What is subclass?
What is super () in Java?
What is the difference between class and structure?
What is the difference between classes and objects?
What is Autoboxing and Unboxing?
What is JVM, JDK and JRE?
What is the Java?s WORA nature?
What is Serialization? When should we make use of serialization?
What is Constructor and Constructor Overloading in Java.
What is Expressions?
What is class in Java.
What is JSON.
What is Loops? Types?
What is Interface in Java
What is Aggregation
What is Java Collections
What is Serialization
What is Use Cases in Java
What is Overloading and Overriding in Java?
What is a List?
What is the case when you override hashcode() and equals() ? What problem can occur if we don?t override hashcode() method?
What is immutable classes?
What is Singleton in Java?
What is the Final Keyword in Java?
What is Collection and a Collections Framework?
What do you mean by BlockingQueue in Java Collections Framework?
What is a platform?
What is classloader?
What is the static method?
What are the two ways of implementing multi-threading in Java?
What is constructor chaining in Java?
What kind of variables can a class consist of?
What is Singleton class?
What do you mean by Access Modifier?
What is an applet?
What is Comparable Interface?
What are the actions present in the JVM?
What is the current version of JDK?
What is Wrapper class?
What is String?
What is Function?
What is Class?
What is Object?
What is scope?Describe the types of scope?
What is Multitasking? How to achieve multitasking?
What is Thread?
what is Multithreading?
What is Serialization?
What is DeSerialization?
What is Java ?
What is Treeset?
What happens if you add same key in the hashmap?
What is default method in java 8 interface?
What is token in c
What is keywords, data type, constant and variable
What are the fundamental data type in c
What are the conditional statement
What are the un-conditional statement
What is if?else statement
What is switch case statements
What is conditional operator
What are the iterative statement
What is an array
What is sorting
What is searching
What is function
What is recursive function
What is structure
What is pre-processor directive
What is micro in c
What is file
What is file pointer
What is data structure
What is stack
What is queue
What is link list
What is binary tree
What is spanning tree
What is constructor and destructor in c++
What is static keyword
What is friend function
What is pure virtual function
What is copy contractor in c++
What is Java
What final in java
What is super keyword in java
What is an applet program
What is thread
What is synchronisation
What is JDBC
What are jdbc driver
What are steps involved in data base connectivity
What will be the result of relational operators?
What will happen if we use throws keyword in body?
What is the default priority of thread?
What is default priority of gc()?
What is Comparator?
What is workspace?
What are Access specifiers?
What is Multiple Mitigation?
What stand is for JDK, JRR and JVM?
What is the default size of the loaded factor in hacking on the basis of the collection?
What is a collection?
What is Exception Classes are the Basic Class?
What is a JVM?
What researchers are in Java?
What is a standard method?
What is the subject class?
What are the packages in Java?
What is the standard import?
What is the benefit of Volatile Variable
What is hashCode method? And why it is to be overridden?
What is the contract between equals and hashCode?
What is the need of toString() method?
What is the need of Reflection API?
What is the need of anonymous inner classes?
What is a JVM? What is the utilization of JVM?
What is the contrast between JDK, JRE and JVM?
What is Object Oriented worldview?
What is the EAR record?
What is a MVC Architecture?
what number kinds of constructors are utilized in Java?
What are the principle employments of the super catchphrase?
What is the distinction between the last strategy and theoretical technique?
What is the contrast among Collection and Collections in JAVA?
What is JSTL?
What are Exceptions in Java? Types?
What is JSF?
What are Action Forms?
What is JDBC?
What is a JDBC driver and what number of JDBC drivers are accessible?
What are the JDBC proclamations?
What are the exemptions in JDBC?
What the base class in Java from which all classes are derived?
What the purpose of using Break in each case of Switch Statement?
What is decision Making in Java
What is Thread in Java
What is wait () method
What is static block
What is the key word in exceptional handling?
What is the key word?
What is banned?
What is Java Bean?
What are the operations of collections?
What are the types of Polymorphism in Java?
What are the advantages of Polymorphism?
What is Binding in Java?
What are the types of binding in Java?
What is Static binding in Java?
What is Dynamic binding in Java?
What is the difference between static binding and dynamic binding in Java?
What is object-oriented programming?
What are the four important characteristics of object-oriented programming
What is procedural programming paradigm
What is JDK?
What is JRE?
What are the main components of JRE?
What is Class Loader?
What is Interpreter?
What is JVM?
What are the main activities (tasks) that are performed by JVM?
What is Java API? What is the popular Java API?
What is Bytecode verifier?
What is Java Library?
What is Bytecode in Java?
What is the difference between bytecode and machine code?
What is source code in Java?
What is the difference between source code and bytecode?
What is the role of Execution engine in JVM?
What is Java compiler? What are the functions (responsible tasks) for Java compiler?
What are the different types of memory areas allotted by JVM
What is JIT Compiler? And explain its need?
What is constructor?
What is hashtable?
What is multi-threading and the ways of implementing multi-threading in Java?
What is Java Heap Space?
What is user define function?
What is garbage collections?
What is ?this? keyword
What is ?Super? keyword?
What is final variable
What is HashSet
What is notify () and notify all ()
What is applet
What is Thread life-cycle
What are the keywords available in exception handling?
What are static blocks and static initalizers in Java ?
What is method overriding in java ?
What is super keyword in java ?
What is method overloading in java ?
What is difference between c++ and Java ?
What is JIT compiler ?
What is bytecode in java ?
What is a class ?
What is an object ?
What is method in java ?
What is encapsulation
What is constructor in java ?
What is difference between length and length() method in java ?
What is ASCII Code?
What is Unicode ?
What are constants and how to create constants in java?
What is ?IS-A ? relationship in java?
What does null mean in java?
What all access modifiers are allowed for top class ?
What are packages in java?
What are identifiers in java?
What are access modifiers in java?
What is the difference between access specifiers and access modifiers in java?
What access modifiers can be used for class ?
What is final access modifier in java?
What are abstract methods in java?
What is an exception in java?
What is Exception handling in java?
What is an eror in Java?
What are advantages of Exception handling in java?
What are checked Exceptions?
What are unchecked exceptions in java?
What is default Exception handling in java?
What is the maximum size of vector in Java?
Name the Data Types that are supported by Java?
Name the different states of a thread.
Name the most important aspect of Java
Write a Java program to reverse a string?
Write a Java program to check whether two strings are anagram or not?
Write a Java program to reverse a given string with preserving the position of spaces?
Write a code to prove that strings are immutable in Java?
Write a code to check whether one string is a rotation of another?
Write a Java program to reverse each word of a given string?
Write a Program using Arraylist to add and remove some items from the list.
Explain about main() method in java ?
Explain Java Coding Standards for classes or Java coding conventions for classes?
Explain Java Coding standards for interfaces?
Explain Java Coding standards for Methods?
Explain Java Coding Standards for variables ?
Explain Java Coding Standards for Constants?
Explain about instanceof operator in java?
Explain what access modifiers can be used for methods?
Explain what access modifiers can be used for variables?
Explain about abstract classes in java?
Explain try and catch keywords in java?
Explain importance of finally block in java?
Explain differences between checked and Unchecked exceptions in java?
Provide the features of Hashtable method
Provide the list of thread methods to stop a thread in Java
Provide byte datatype default value in Java
Why StringBuffer and StringBuilder classes are introduced in Java when there already exist String class to represent the set of characters?
Why Java does not support multiple inheritance?
Why is Inheritance used in Java?
Why is OOP better than procedural?
Why is dynamic binding used in object-oriented programming?
Why Encapsulation in java is called as Data hiding in java?
Why is Java known as the Platform Independent Programming Language?
Why break is used in Switch Statement?s each case?
Why are Strings are called as Immutable?
Why Java is considered dynamic?
Why is StringBuffer called mutable?
Why Runnable Interface is used in Java?
Why IS Java application platform independent?
Why used super and this keyword in java?
Why we cannot be apply access specifiers to packages, initializers, local variables?
Why do we say Java is dynamic?
Why java is platform-independent language?
Why wait() method is in Object class and not in Thread class?
Why Map Hierarchy is kept separate form Collection Hierarchy?
Why static binding is also called early binding in Java?
Why Dynamic binding is also called late binding in java?
Why binding of private, static, and final methods are always static binding in Java?
Why is Java System Independent
Why is Java Portable?
Why compiled java code can execute on different computer machines?
Why java is platform independent?
Why main() method is public, static and void in java ?
Why ArrayList is faster than Vector?
Why Vector is deprecated in Java?
Why use stack instead of vector?
Which class do you recommend among String, StringBuffer and StringBuilder classes if I want mutable and thread safe objects?
Which one will you prefer among ?==? and equals() method to compare two string objects?
Which class Cannot be a subclass in Java?
Which types of exceptions are caught at compile time?
Which thread will execute first?
Which data structure set uses?
Which name will be checked by the compiler for the execution of program?
Which name will be checked by the JVM after the compiling the program?
Which operators are used for masking the data in encryption and decryption process?
Which is maintained to manage the life cycle of local variables?
Which operator is not used in java?
Which exceptions are used to represent the business/environmental failure?
Which feature allows the JVM to run more than one thread in java?
Which methods are there in the thread class?
Which condition will result in Illegal state exception?
Which will manage the lifecycle of thread?
Which interface will result in sorted order?
Which will interact with hard disk?
Which of the following is not the Java object Class method?
Which is faster set or vector?
How to reverse a sentence word by word in Java?
How do you implement multiple inheritance in java?
How do you restrict a member of a class from inheriting to it?s sub classes.?
How do you create mutable string objects?
How do you convert given string to char array?
How do you count the number of occurrences of each character in a string?
How do you remove all white spaces from a string in Java?
How do you find duplicate characters in a string?
How do you convert string to integer and integer to string in Java?
How do you check the equality of two arrays in java? OR How do you compare the two arrays in java?
How do you sort the array elements?
How do you find the intersection of two arrays in java?
How do you search an array for a specific element?
How do you find duplicate elements in an array?
How do you find second largest element in an array of integers?
How do you find all pairs of elements in an array whose sum is equal to a given number?
How do you separate zeros from non-zeros in an integer array?
How do you find continuous sub array whose sum is equal to a given number?
How find maximum occurring character in a string in Java?
How HashMap internal working ?
How internallly hashset working?
How is Inheritance useful to achieve Polymorphism in Java?
How many instances can be created for an abstract class?
How Can We Call The Base Method Without Creating An Instance?
How do you differentiate between a class and an object?
How do structure and class differ?
How a program can be structured using the concept of Object oriented programming?
How many types of constructors are used in Java?
How can struct be instantiated?
How do you differentiate a HashSet class and a TreeSet class?
How can you define Object Cloning in Java?
How can we execute any code even before the main method?
How would you call wait() method? Would you use if block or loop, and why?
How do you take thread dump in Java?
How we can execute any code even before main method?
How can we make the copy of a Java object?
How to achieve lock?
How to get the current thread?
How to sort the collections?
How are they destroyed in Java?
How many times do you call the trash cushion for the last time () method for an object?
How can garbage collection be enforced?
How many ways the object can be created?
How Java compiler differentiate between methods in Compile time Polymorphism?
How to achieve/implement dynamic polymorphism in Java?
How Java compiler performs static binding?
How JVM performs dynamic binding in Java?
How does Bytecode work in Java?
How to call one constructor from the other constructor ?
When a byte datatype is used?
When parseInt() method can be used?
When throw keyword is used?
When a super keyword is used?
When null pointer exception occurs?
When Out of memory error occurs?
When Out of stack error occurs?
When we can use final class?
When was Java created?
Where exactly string constant pool is located in the memory?
Where all string literals are managed?
Difference - Composition vs Inheritance?
Difference - Procedural programming VS OOPS
Difference - Compile-time and runtime-polymorphism?
Difference - Primitive == vs overridden equals() method?
Difference - String vs StringBuffer vs StringBuilder?
Difference - Checked and Un-Checked Exceptions?
Difference - throw and throws keyword?
Difference - wait() and sleep() method?
Difference - Abstraction vs encapsulation
Difference - ArrayList and Vector
Difference - ArrayList and Vector?
Difference - Enumeration and Iterator?
Difference - JDK, JRE, and JVM?
Difference - Inner Class and a Sub-Class?
Difference - Sleep and Wait in Java?
Difference - final, finalize and finally?
Difference - poll() and remove() method?
Difference - StringBuilder and StrinngBuffer?
Difference - Abstract and Interface
Difference - while and do-while
Difference - Fixed and Dynamic load?
Difference - Array and Vector?
Difference - Stack and Queue?
Difference - Stack and the Queue?
Difference - importing java.util.Date and java.util? *?
Difference - Multithreading and Multiprocessing?
Difference - Array and Arraylist?
Difference - error and exception?
Difference between abstract and final method
Difference - ArrayList and a LinkedList?
Difference Java compiler and interpreter?
Difference - NoClassDefFoundError vs ClassNotFoundException?
Difference between method overloading and method overriding in java ?
Difference between abstract class and interface ?
Difference between this() and super() in java ?
Difference between Character Constant and String Constant in java ?
Difference between ?>>? and ?>>>? operators in java?
Difference between overriding and overloading in java?
Difference between ?IS-A? and ?HAS-A? relationship in java?
In how many ways you can create string objects in Java?
In a class which is the default access modifier in java?
In which scenarios Arraylist and LinkedList will be used?
In Heap memory which variables are created?
In java, how arrays are created?
In Java is it pass by value or pass by reference?
Will all the Try blocks in Java end with Catch Blocks?
Will you be able to overload the main() method?
Do you have any idea why strings have been made immutable in Java?
Do you know whether constructor returns any value in Java?
What is Destructor?
Abstract class cannot be instantiated. Why?
Abstract method cannot have body, why?
Are constructors and initializers also inherited to sub classes.?
Are static members inherited to sub classes?
Are you connecting to a database in Java?
Are the exceptions defined in JavaScript packages? Or are there any definitions for all classes?
At time of method overriding can return type be different?
Can a class extend more than one classes or does java support multiple inheritance? If not, why?
Can a class extend itself.?
Can we call String class methods using string literals?
Can you pass the negative number as an array size?
Can you change the size of the array once you define it? OR Can you insert or delete the elements after creating an array?
Can you instantiate this class?
Can we make a class both final and abstract at the same time?
Can you explain what Access Modifiers are?
Can we change the scope of the overridden method in the subclass?
Can we override a method declared as private in java?
Can you override the method which is declared as final?
Can a constructor be declared as private in java?
Can a class extend two interfaces wherein they both have a method with the same name and signature in java?
Can struct have Parameterless constructor?
Can constructor be static?
Can a struct be null?
Can struct have inheritance?
Can struct inherit?
Can we override static method?
Can you call the base class method without creating an instance?
Can you explain what Access Modifiers are?
Can a class have multiple constructors?
Can we have two methods in a class with the same name?
Can we use a default constructor of a class even if an explicit constructor is defined?
Can we override a method by using same method name and arguments but different return types?
Can we add null key to the hashmap?
Can we have filename and classname as same?
Can we have two start() methods in thread execution?
Can a Dead End Start Again?
Can the standard block be lifted?
Can we try or do not try to stop it?
Can finally ban without c block?
Can exceptions occur in catch block?
Can you give an example of pointers?
Can static methods be overridden?
Can you handle a catch in an exception to an exception?
Conside the following block and predict the output
Consider the following code.
Differences - Polymorphism and Inheritance
Does java 8 supports functional programming?
Does java support pointers?
From which method the execution of java programs begins?
Functions of JVM and JRE?
Garbage collection in Java?
Give an example of static binding.
Give an example of dynamic binding in Java.
Give few examples of object-oriented language other than Java
Hashmap put() operations uses which datastrcture when the hashcode is same ?
If we don?t initialize Boolean variable and print that Boolean value, false will be the output
Is String a keyword in Java?
Is String a primitive type or derived type?
Is Java a pure object-oriented language? if not why?
Is a method declared as final inherited in java?
Is it possible to declare a class as Abstract without using any abstract method?
Is it true that a java program never goes out of memory because of garbage collection feature?
Is throw and throws keyword can be used interchangeably? If no, what is the difference between the two?
Is String a data type in java?
Is ++ operator thread-safe in Java?
Is wrapper classes overrides hashcode and equals method.
Is there a number of capture blocks after an endorsement line?
Is it possible to make a constructor final?
Is it possible to overload the constructors?
Is it possible to use both ?this()? and ?super()? in a constructor?
Is possible for you to declare a constructor as final?
Is it possible to implement runtime polymorphism by data members in Java?
Java is fully OOPS language or not?
List out the 5 access modifiers
List any five features of Java?
List the three steps for creating an Object for a class?
List out the different access specifiers available for Java classes
List out the constructors in Java
List out the advantages of Java packages
List out the vital advantages of the keyword ?Super?
List out the interfaces available in Java collections
List out the Classes available in Java collections
List out the maps available in Java collections
Mention the access specifiers used in Java?
Mention the class which is the superclass for the entire classes
Print all substrings of a string in Java?
Print common characters between two strings in alphabetical order in Java?
Sort of ancient data types?
The object which has no reference is called?
The use of Java?s last words?
Throw some light on the main features of Java.
Throwing in Java
To set a permit for the thread that wants access to the shared resource is called,
Two differences in the state between a class and one square
Types of Access Specifiers?
While creating the multidimensional arrays, can you specify an array dimension after an empty dimension?
You know that all classes in java are inherited from java.lang.Object class. Are interfaces also inherited from Object class.?
Programming
  • Imperative Programming
  • Declarative Programing
  • Functional Programming
  • Object-Oriented Programming (OOP)
  • Procedural Programming
  • Event-Driven Programming
OOPS
  • Object
  • Class & Constractor
  • Constructor
  • Static
  • Inheritance

#Spring_Framework

Spring_Framework
Define the two (2) types of IOC specifiers which are present in the spring.
What is Spring Core?
What is the purpose of BeanFactoryPostProcessor?
What are all the AOP advices used in Spring Transaction internally?
What is RowMapper? For which sake we will use RowMapper?
What are all the annotations used in inside of @SpringBootApplication annotation?
What is CLI in SpringBoot? What is the use?
What is Bean Lifecycle?
What is Front Controller?
What is the reason to create two inject with each other.
What is Handler Mapping? What is the purpose of Handler Mapping?
What is the Use of support(Class class) method and validator class of Validator class?
What is Handler interceptor?
What are all the benefits of Spring ORM?
What does my Authenticate manager will do?
What is view Resolver? How many types of view Resolvers are there?
What is DataSource? What is the implementation spring provided for dataSource?
What is NamedParameterJDBCTemplate?
What is the Use of @PostConstruct and @PreDestroy annotations?
What is Dependency Check in Spring?
What is BeanAlias in Spring?
What is the use of BeanPropertySqlParameterSource?
What is method Replacement in Spring?
What is the use of @Configuration use and wen we will use?
What are all the StereoType Annotation Spring provided and Which scenario we need to use Which Annotation?
What is the Use of RequestMappingHandlerAdapter?
What are the attributes which helps to slove ambiguity problem in constructor dependence Injection?
What is mutual dependences?
What is depends on attribute?
What is the disadvantage of auto wiring?
What is the use of singleton attribute?
What is the attribute used for secondary dependency Injection using Xml?
What are the methods present in FactoryBean Interface?
What is the use of isSingleton() in FactorBean?
What is the use of PropertyPlaceHolderConfiguration class?
What is the use of hibernate template?
What is the use of ?
What is AutowiredAnnotationBeanPostProcessor?
What is the default handler mapping?
What are various handler mappings?
What are @PostConstruct and @PreDestroy annotations?
What is spring-boot-starter-parent?
What is @SpringBootTest?
What is the use of spring-boot-devtools?
What are dependencies required in any application to make has JPA application?
what is CrudRepository?
What is the use of Actuator in Springboot?
What is H2 in Springboot?
What is the default scope?
What are the Spring scopes?
What is Session scope?
What are different types of Autowire?
What are types of pointcuts?
What are types of Advisors?
What is a Spring Configuration File?
What are the benefits of IOC?
What are the five (5) bean scopes supported by spring?
What are the three ways in which injection dependencies can be done?
What is meant by bean wiring in spring?
What are the exceptions which are been thrown by the spring DAO classes?
What are classes which are present in spring JDBC API?
What are the two transaction management which spring supports?
What is joinPoint?
What is an Advice? Types?
What is meant by DispatcherServlet?
What are the different AOP implementations?
What are the features which are now available in spring framework 4.0 and spring framework 0?
What is the main configuration of @SpringBootApplication?
What are the ways to create application context in java program?
What are the different modules in Spring framework?
What is BeanFactory?
What is AOP Alliance?
What is Spring configuration file?
What are different types of Autowire types?
What is the purpose of the session scope?
What is the default scope in the web context?
What does the InternalResourceViewResolver do?
What internal resource views?
What is springAOP and aspectAOP?
What is Weaving
What is Front Controller
What is the role of IOC container in the spring
What is ViewResolver in spring
What is Spring Framework? Advantages?
What are the components availble in Spring application?
What is Auto Wiring and their modes
What is dependency injection
What is @RequestMapping annotation
What is Aspect Oriented Programming
What is Proxy in Spring Framework
What is component scan
What is Dirty Read
What is Spring Internationalization
What are the differences between Model, ModelMap, and ModelAndView?
What does the @Valid annotation indicate in Spring?
What does the double wildcard (*) on a servlet mapping url-pattern mean?
What exactly is Field Injection and how to avoid it?
What is difference between @RequestBody and @RequestParam?
What is Dispatcher Servlet in Spring?
What is recommended way for spawning threads from a servlet in Tomcat
what is the command object in spring framework
What is the difference between defining @Transactional on class vs method
What is the difference between ResponseEntity < T > and @ResponseBody?
What is the difference between spring factory-method and factory-bean?
what tomcat native library should I be using in production?
Why spring provided Starter Dependencies?
Why spring integrated with AspectJ?
Why Servlet called as Controller in spring?
Why Bean Factory Removed?
Why are controllers testable artifacts?
Why DispatcherServlet creates another application context?
Why is my Spring 3 Validator Validating Everything on the Model?
Why this Spring application with java-based configuration don't work properly
Why use only one SessionFactory Object per application?
Which objects will be created by defalut when we inject list, set and map depedencies by xml?
Which method is used to set the data source in jdbc template?
Which is better, return ?ModelAndView? or ?String? on spring3 controller
How IOC container will create Object for Private constructor classes?
How many AOP implementations Spring support? Why?
How many times the static pointcut matches method will be called?
How to work with Spring JDBC?
How dispatcher servlet know which Handler Mapping its has to go?
How many ways we can break the singleton?
How to rectify the ?ContextLoaderListener? class not Found Exception wile deploing Application in WebServer.
How to make scope has prototype?
How to solve the ambuguity problem when autowire is byType?
How to use look-up depenendence Injection?
How to use Initializing and Disposable Bean?
How many command controllers are present?
How to use CrudRepository?
How to inject arraylist into a class through xml?
How are the records fetched by the spring JDBC Template?
How can you fetch records by spring JdbcTemplate?
How can I @Autowire a spring bean that was created from an external jar?
How can I make Spring WebServices log all SOAP requests?
How do I get the Session Object in Spring?
How do I obtain the Jackson ObjectMapper in use by Spring 4.1?
how do you inject a bean into a @Controller class
How do you receive a url parameter with a spring controller mapping
How does @RequestParam in Spring handle Guava's Optional?
How does autowiring work in Spring?
How does the Spring @ResponseBody annotation work in this RESTful application example?
How exactly works the Spring bean post processor?
How Spring Cloud Gateway is different from Zuul
How to access plain json body in Spring rest controller?
How to autowire RestTemplate using annotations
How to bind an object list with thymeleaf?
How to change HAL links format using Spring HATEOAS
How to change the content type in exception handler
How to config ?CommonsMultipartResolver? in spring4 without xml to upload file
How to configure annotations processing in IntelliJ IDEA 14 for current project work?
How to configure embedded Tomcat integrated with Spring to listen requests to IP address, besides localhost?
How to configure MappingJacksonHttpMessageConverter while using spring annotation-based configuration?
How to convert a multipart file to File?
How to correctly prevent caching of 302 redirect location?
How to correctly use PagedResourcesAssembler from Spring Data?
How to enable browser caching of static content(images, css, js) with Tomcat?
How to get error text in controller from BindingResult
How to get the request context in a freemaker template in spring
How to handle MaxUploadSizeExceededException
How to handle requests that includes forward slashes (/)?
How to implement @RequestMapping custom properties
How to loop through Map in Thymeleaf
How to manage REST API versioning with spring?
How to map Page < ObjectEntity > to Page < ObjectDTO > in spring-data-rest
How to mix spring-data-rest with spring websocket into a single implementation
How to obtain a current user locale from Spring without passing it as a parameter to functions?
How to POST JSON data with Curl from Terminal/Commandline to Test Spring REST?
How to prevent parameter binding from interpreting commas in Spring 3.0.5?
How to re-create database before each test in Spring?
How to redirect URLs with trailing slash to the corresponding ones without it?
How to return a custom object from a Spring Data JPA GROUP BY query
How to return JSON data from spring Controller using @ResponseBody
How to reuse a Criteria object with hibernate?
how to send an array in url request
How to send list of Objects to View and back to Post method in controller
How to serve .html files with Spring
How to serve static html content page in spring-boot
How to set Environment Variable in Netbeans?
How to specify validation group for @Valid?
How to test if JSON path does not include a specific element, or if the element is present it is null?
How to use @Autowired in a Quartz Job?
How to use Collections.sort() in Java ? (Specific situation)
How to use Layered architecture of spring and still follow object oriented structure?
How to write a spring bean with a constructor that contains a list?
When we should go for Abstract Wizard Controller?
when we call getbean method two times for creating object when scope is default how many objects are created?
When we need to go for point-cut?
When to use BeanNameUrlHandlerMapping?
When to use After throwing advice?
When do I use path params vs. query params in a RESTful API?
When to use @RestController vs @RepositoryRestResource
When to use ModelAndView vs Model in Spring?
When use AbstractAnnotationConfigDispatcherServletInitializer and WebApplicationInitializer?
When use ResponseEntity and @RestController for Spring RESTful applications
Where can I download JSTL taglibs? i.e. jstl.jar and standard.jar
Where can I download Spring Framework jars without using Maven?
Where is the @Autowired annotation supposed to go - on the property or the method?
Difference - auto wire and @Autowired?
Difference - application context and Bean factor?
Difference - Bean factory and Application context.
Difference - Constructor Injection and Setter Injection.
Difference - Spring AOP and AspectJ AOP
Difference between @Valid and @Validated in Spring
Difference between JAX-RS and Spring Rest
Difference between modelAttribute and commandName
Difference between modelAttribute and commandName attributes in form tag in spring?
difference between redirect and redirect inside modelandview
Difference between spring @Controller and @RestController annotation
Difference between the annotations @GetMapping and @RequestMapping(method = RequestMethod.GET)
Difference webcontent and webapp
In Spring AOP with which Advice programmer have a control?
In which the run time exception occurs JDBC or Spring JDBC?
In Which data base connection close is mandatory JDBC or Spring JDBC?
In the spring container, how are the configuration metadata are been provided?
In how many ways spring can be used to access hibernate?
In Spring 3 is it possible to dynamically set the reason of @ResponseStatus?
${employee.id} from List in JSP throws java.lang.NumberFormatException: For input string: ?id?
@Autowire strange problem
@Autowired - No qualifying bean of type found for dependency
@Bean Annotation in which scenario we will use.
@ModelAttribute annotation, when to use it?
@RequestBody and @ResponseBody annotations in Spring
@RequestParam vs @PathVariable
@Service are constructed twice
?Could not find acceptable representation? using spring-boot-starter-web
?Not supported for DML operations? with simple UPDATE query
404 error redirect in Spring with java config
About multiple containers in spring framework
AbstractWizardFormController using Annotated @Controllers
Accessing Spring beans from a Tiles view (JSP)
Add attributes to the model of all controllers in Spring 3
Adding a directory to tomcat classpath and read the property file in spring
Adding multiple validators using initBinder
Advantages of using spring stereotypes?
alternative to GrantedAuthorityImpl() class
Ant, Tomcat Build Error: java.lang.NoClassDefFoundError: org/apache/tomcat/util/buf/B2CConverter
Any open source Spring sample project that's bigger than PetClinic?
applicationContext not finding Controllers for Servlet context
Are Spring singleton beans thread-safe?
Authentication and authorization in Spring Data REST
automatically add header to every response
Autowiring fails: Not an managed Type
Autowiring two beans implementing same interface - how to set default bean to autowire?
BCrypt performance deterioration
Bean injection inside a JPA @Entity
BeanNotOfRequiredTypeException
Best practices for rolling back transactions in Spring 3/Hibernate
Binding a list in @RequestParam
Can anyone explain servlet mapping?
Can I make a custom controller mirror the formatting of Spring-Data-Rest / Spring-Hateoas generated classes?
Can Jackson be configured to trim leading/trailing whitespace from all string properties?
Can not find the tag library descriptor of springframework
Cannot Autowire Service in HandlerInterceptorAdapter
Combine GET and POST request methods in Spring
Configuring RequestContextListener in SpringBoot
Confused about how to handle CORS OPTIONS preflight requests
Content type 'application/x-www-form-urlencoded;charset=UTF-8' not supported for @RequestBody MultiValueMap
ConversionService in Spring
Convert StreamResult to string or xml
Converting empty String to null Date object with Spring
Copy specific fields by using BeanUtils.copyProperties?
CORS with spring-boot and angularjs not working
Could not autowire field in spring. why?
could not extract ResultSet in hibernate
Could not open ServletContext resource
create two method for same url pattern with different arguments
Custom HttpMessageConverter with @ResponseBody to do Json things
DataTables Error: ?Requested unknown parameter?
Delete cookie from a servlet response
Different property variable for Local and prod Environment (Spring)
Display JSON Data in HTML Table
Does curl remove new line characters?
Does Spring require all beans to have a default constructor?
Download file with original file name
Dynamic Web Module 3.0 ? 3.1
Eclipse warning: XXXXXXXXXXX.jar will not be exported or published. Runtime ClassNotFoundExceptions may result
Error creating bean with name 'entityManagerFactory' defined in class path resource : Invocation of init method failed
Error in Web.xml "Element ? is not allowed here
Error: javax.persistence.JoinColumn.foreignKey()Ljavax/persistence/ForeignKey with Spring controller
exception loading sessions from persistent storage
Failed to load Main-Class manifest attribute while running java -jar
File Upload with Angular2 to REST API
Filter order in spring-boot
Finding your application's URL with only a ServletContext
Forward HttpServletRequest to a different server
Get ?Invalid derived query? error all over the place in our Spring Data JpaRepository interfaces in STS 3.1
Get last records ordered by data on Spring Data
getServletConfig().getServletContext() equivalent in Spring
getServletConfigClasses() vs getRootConfigClasses() when extending AbstractAnnotationConfigDispatcherServletInitializer
Getting a org.springframework.beans.factory.BeanCreationException with my first Maven, Spring Project
Getting java.lang.ClassNotFoundException: javax.servlet.ServletContext in JUnit
Give the limitations with auto wiring
Give the abbreviation for JDO and JPA
Hibernate validator: @Email accepts ask@stackoverflow as valid?
HQL ERROR: Path expected for join
HttpSession null after replacing AuthorizationRequest
I am confused about how to use @SessionAttributes
I can't debug using breakpoints
IncompatibleClassChangeError: class ClassMetadataReadingVisitor has interface ClassVisitor as super class
Infinite Recursion with Jackson JSON and Hibernate JPA issue
INFO: No Spring WebApplicationInitializer types detected on classpath
Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException:
IntelliJ Artifact has invalid extension
IntelliJ IDEA shows errors when using Spring's @Autowired annotation
IntelliJ needs to copy tomcat/conf directory to project directory
IntelliJ says 'cannot run program '/path/to/tomcat/bin/catalina.sh' error=13 permission denied
INTERFACES or TARGET_CLASS which proxyMode to choose
Is it possible to have empty RequestParam values use the defaultValue?
Is it possible to use different view resolvers?
Is it possible to use multiple params in the itemLabel of a form:select/form:option
Is there a templating language similar to Razor for Java Spring web applications?
Isolated Controller Test can't instantiate Pageable
Jackson 2.0 with Spring 3.1
Jackson's @JsonView, @JsonFilter and Spring
Java config for spring interceptor where interceptor is using autowired spring beans
java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet
java.lang.IllegalArgumentException: A ServletContext is required to configure default servlet handling
java.lang.NoClassDefFoundError: org/apache/commons/fileupload/FileItemFactory
java.lang.NoSuchMethodError: javax.servlet.ServletContext.getContextPath()Ljava/lang/String;
Jetty Annotation Timeout Reason
JSON character encoding
JSON Post request for boolean field sends false by default
JSR-303 @Valid annotation (nested object) not working
Launching Spring application Address already in use
LazyInitializationException: failed to lazily initialize a collection of roles, could not initialize proxy - no Session
Limitations of Dependency Injection
List out the major features in the versions of spring framework
List out the roles of an IOC Container
List some of the AOP Terminologies
List out some important spring annotations
Loading context in Spring using web.xml
log4j:WARN No appenders could be found for logger in web.xml
Manually call Spring Annotation Validation
Maven- No plugin found for prefix 'spring-boot' in the current project and in the plugin groups
Migrating from Spring 3 to Spring 4 - org.springframework.scheduling.quartz.CronTriggerBean
ModelMap usage in Spring
Multiple scenarios @RequestMapping produces JSON/XML together with Accept or ResponseEntity
Multiple Spring @RequestMapping annotations
My Application Could not open ServletContext resource
Neither BindingResult nor plain target object for bean name available as request attr
Neither BindingResult nor plain target object for bean name available as request attribute
No adapter for handler exception
No mapping found for HTTP request with URI [/WEB-INF/pages/apiForm.jsp]
No mapping found for HTTP request with URI? in DispatcherServlet with name
No matching bean of type ? found for dependency
No WebApplicationContext found: no ContextLoaderListener registered?
Not supported for DML operations with JPA update query
One-to-many relation ship how we will map objects in Spring JDBC?
Org.Hibernate.AnnotationException: No Identifier Specified For Entity I don't have a id in my table
org.hibernate.HibernateException: /hibernate.cfg.xml not found
org.springframework.web.multipart.MultipartException: The current request is not a multipart request
Passing an Array or List to @Pathvariable - Spring/Java
Passing data in the body of a DELETE request
PathVariable in Spring Controller
Prototype Bean doesn't get autowired as expected
purpose of webAppRootKey?
Reasons for not directly writing Servlets for creating a REST API
Redirect from one controller method to another controller method
Redirect on Ajax Jquery Call
Registering beans(prototype) at runtime in Spring
request scoped beans in spring testing
Resolving spring:messages in javascript for i18n internationalization
REST with Spring and Jackson full data binding
RESTful Authentication via Spring
Scope of a Spring-Controller and its instance-variables
Sending GET request with Authentication headers using restTemplate
Sending message to specific user on Spring Websocket
Sending Multipart File as POST parameters with RestTemplate requests
Serializing enums with Jackson
Set Jackson Timezone for Date deserialization
Setting Precedence of Multiple @ControllerAdvice @ExceptionHandlers
Should I build a REST backend for GWT application
Should I put the ID of my entity in the URL or into the form as a hidden field?
Should web service be separate from web site?
Solve ?failed to lazily initialize a collection of role? exception
Some clarification about Spring @Transactional annotation on a method
Spring ORM based on which design pattern it implemented?
Spring container creates the objects instand of us we call it?
Spring - applicationContext.xml cannot be opened because it does not exist
Spring - No EntityManager with actual transaction available for current thread - cannot reliably process 'persist' call
Spring - Redirect after POST (even with validation errors)
Spring : File Upload RESTFUL Web Service
Spring @ExceptionHandler does not work with @ResponseBody
Spring @Repository best practices
Spring @Transactional not working
Spring 3 - Create ExceptionHandler for NoSuchRequestHandlingMethodException
Spring 3 RequestMapping: Get path value
Spring 3.0 forwarding request to different controller
Spring 3.0 making JSON response using jackson message converter
Spring 3.1 JSON date format
Spring 3.1 or Later @RequestMapping Consumes/Produces
Spring 3.1 WebApplicationInitializer & Embedded Jetty 8 AnnotationConfiguration
Spring 3.2 Autowire generic types
Spring 3.2 Test, com.jajway not included as dependency
Spring 3.x JSON status 406 ?characteristics not acceptable according to the request ?accept? headers ()?
Spring 4 - addResourceHandlers not resolving the static resources
Spring 4 vs Jersey for REST web services
Spring 5.0.3 RequestRejectedException: The request was rejected because the URL was not normalized
Spring AOP Advice on Annotated Controllers
Spring ApplicationContext - Resource leak: 'context' is never closed
spring autowiring with unique beans: Spring expected single matching bean but found 2
Spring configure @ResponseBody JSON format
Spring Controller @RequestBody with file upload is it possible?
Spring CORS No 'Access-Control-Allow-Origin' header is present
Spring data jpa- No bean named 'entityManagerFactory' is defined; Injection of autowired dependencies failed
Spring data jpa save can not get id
Spring Data JPARepository: How to conditionally fetch children entites
Spring Data Rest and Cors
spring error during build
Spring Forms - How to Check for Error on Specific Path
Spring Framework 3 and session attributes
Spring get current ApplicationContext
Spring Global CORS configuration not working but Controller level config does
Spring HandlerInterceptor vs Servlet Filters
Spring Hibernate - Could not obtain transaction-synchronized Session for current thread
Spring JPA (Hibernate) No qualifying bean of type: javax.persistence.EntityManagerFactory
Spring login form example
Spring Partial Update Object Data Binding
Spring RedirectAttributes: addAttribute() vs addFlashAttribute()
Spring RequestMapping for controllers that produce and consume JSON
Spring REST multiple @RequestBody parameters, possible?
Spring Rest POST Json RequestBody Content type not supported
Spring REST using Jackson - 400 bad request logging
SPRING REST: The request was rejected because no multipart boundary was found
Spring RestTemplate invoking webservice with errors and analyze status code
Spring startup performance issues
Spring store object in session
Spring WebSocket @SendToSession: send message to specific session
Spring XML namespaces : How do I find what are the implementing classes behind them?
Spring, Jackson and Customization (e.g. CustomDeserializer)
Spring/json: Convert a typed collection like List < MyPojo >
Spring: @ModelAttribute VS @RequestBody
Spring: namespace vs contextConfigLocation init parameters in web.xml
Spring: The request sent by the client was syntactically incorrect ()
Spring3.2 and jboss as 7
Springs Element 'beans' cannot have character [children], because the type's content type is element-only
Strange Jackson exception being thrown when serializing Hibernate object
Struts2 vs Spring 3
Sun JSTL taglib declaration fails with ?Can not find the tag library descriptor?
The difference between web.xml, beans.xml, applicationContext.xml, etc
This application has no explicit mapping for /error
Thymeleaf - custom attribute
Thymeleaf templates - Is there a way to decorate a template instead of including a template fragment?
Thymeleaf th:text - Put a text without removing HTML structures
Thymeleaf, fragments and default parameters
Thymleaf - Unsupported entity requested with PUBLICID ?null?
Types of stereotype annotation?
Unable to autowire the service inside my authentication filter in Spring
Unable to complete the scan for annotations for web application [/app] due to a StackOverflowError
Unit testing a method dependent to the request context
Unit tests vs integration tests with Spring
Unwanted comma-separated arguments to Spring controller method
Use @RequestBody with optional body in latest Spring v4
using java configuration for n-factor authentication
Using RestTemplate, how to send the request to a proxy first so I can use my junits with JMeter?
Validate a list of nested objects with Spring validator?
Validation error: ?No validator could be found for type: java.lang.Integer?
velocity template and javascript
ViewResolver using Java annotation
What's the best way to make a modular java web application
What's the difference between @Component, @Repository & @Service annotations in Spring?
Writing Maven Dependency for javax.persistence
Spring core
  • Dependency injection and inversion of control - Setter and Constructor Injection (Loose Coupling)
  • IOC container - Beanfactory, Application context.
  • LifeCycle
  • Scope
  • Configuration file
  • Components
  • Dispatcherservlet & ContextLoaderListener
  • Handler mapping
  • Model and View object
  • View resolver
  • Lombok
  • Qualifier
  • Load on startup
  • Multipartresolver - This interface is used for uploading files. CommonMultipartResolver and StandardServletMultipartResolver.
Configure Spring Bean
  • XML configuration
  • Java based configuration
  • Annotation based configuration
Auto Wiring
  • no
  • byName
  • byType
  • constructor
  • autodetect
Bean
  • Spring bean
  • Java bean
  • Inner beans
Session
  • Cookies
  • URL rewriting
  • HttpSession
  • PHidden form fields
Controller
  • Front Controller
  • Simple Form Controller
  • Abstract Controller
  • Parameterizable View Controller
  • Multi Action Controller
Exception-handling
  • Controller based
  • Global Exception handler
  • HandlerExceptionResolver
Other
  • Transaction management
  • RowCallbackHandler
  • RowMapper
  • Event listener
ORM supported by spring
  • Oracle, JPA, JDO, Hibernate, Ibatis, OJB

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