| What were the issues that were fixed with the new Date and Time API of Java 8? |
| What was wrong with the old date and time? |
| What is UnaryOperator? |
| What is Type Inference? Is Type Inference available in older versions like Java 7 and Before 7 or it is available only in Java SE 8? |
| What is the use of the String::ValueOf expression in Java 8? |
| What is the use of the peek() method in Java 8? |
| What is the Supplier Functional Interface? |
| What is the similarity between Map and Flat map stream operation? |
| What is the purpose of filter method of stream in java 8? |
| What is the most common type of Terminal operations? |
| What is the meaning of functional interfaces in Java 8? |
| What is the lambda expression in Java and How does a lambda expression relate to a functional interface? |
| What is the feature of the new Date and Time API in Java 8? |
| What is the easiest way to print the sum of all of the inumbers present in a list using Java 8? |
| What is the easiest way to find and remove duplicate elements from a list using Java 8? |
| What is the easiest way to convert an array into a stream in Java 8? |
| What is the distinct feature of the Block of Code? |
| What is the Consumer Functional Interface? |
| What is the @FunctionalInterface annotation? |
| What is terminal operation? |
| What is StringJoiner? |
| What Is Stream Pipelining in Java 8? |
| What is statistics collector in Java 8? |
| What is Spliterator in Java SE 8? |
| What is skip? |
| What is Reference to an instance method? |
| What is Reference to a static method? |
| What is Reference to a constructor? |
| What is PremGen? Do we have PermGen in Java 8? |
| What is Predicate and BiPredicate interface? |
| What is peek? |
| What is Optional in Java 8? What is the use of Optional? Advantages of Java 8 Optional? |
| What is Operator? |
| What is Nashorn, JavaScript Engine? |
| What is Multiple Inheritance? How Java 8 supports Multiple Inheritance? |
| What is MetaSpace? How does it differ from PermGen |
| What Is map? |
| What is LocalTime? |
| What is LocalDateTime APIs? |
| What is LocalDate? |
| What is limit? |
| What Is JJS? |
| What is Internal Iteration? When do we need to use Internal Iteration? |
| What is intermediate operation? What are the most commonly used Intermediate operations? |
| What is Function? BiFunction, UnaryOperator, BinaryOperator? |
| What is flatmap? |
| What is Filter operation? |
| What is External Iteration? When do we need to use External Iteration? |
| What is distinct? |
| What is Diamond Problem in interfaces due to default methods? How Java 8 Solves this problem? |
| What is Diamond Problem in Inheritance? How does Java 8 solve this problem? |
| What is default method? |
| What is Consumer and BIConsumer interface? |
| What is ChronoUnits in Java 8? |
| What is BinaryOperator? |
| What is BiFuction? |
| What is a type interface? |
| What Is a Stream? How Does It Differ from a Collection |
| What is a stream, and how does it differ from a collection |
| What is a Stream API? Why do we require the Stream API? |
| What is a Static Method? Why do we need Static methods in Java 8 Interfaces? |
| What is a Functional Interface? What is SAM Interface? |
| What is :: (double colon) operator-Method References in Java 8? |
| What does the String::ValueOf expression mean? |
| What does the peek() method does? When should you use it? |
| What does the flatmap() function do? Why do we need it? |
| What do you mean by chromounits in java8? |
| What are type annotations? Name some common type annotations. |
| What are the various categories of pre-defined function interfaces? |
| What are the types of Method References available in java 8 |
| What are the types and common ways to use lambda expressions? |
| What are the sources of data objects a Stream can process? |
| What are the similarities between map and flatMap stream operations in Java 8? |
| What are the main components of a Stream? |
| What are the important packages for the new Data and Time API? |
| What are the guidelines that are needed to be followed in Functional Interface? |
| What are the defining rules of a functional interface? |
| What are the core API classes for date and time in Java 8? |
| What are some standard Java pre-defined functional interfaces? |
| What are some of the examples of terminal operations in Java 8? |
| What are repeating annotations? |
| What are functional or SAM interfaces? |
| What are different ways to create Optional |
| What are default methods in Java 8? |
| What are collectors in Java 8? |
| Why was a new version of Java needed in the first place? |
| Why lambda expression is called a poly expression? |
| Why do we need new Date and Time API in Java SE 8?Explain how Java SE 8 Data and Time API solves issues of Old Java Date API? |
| Why do we need change to Java again? |
| Which class implements the encoder used for encoding byte data in Java 8? |
| How will you get current date and time using Java 8 Date and TIme API? |
| How to remove the duplicate elements from the list. |
| How to join the all employee names with ?,? using java 8? |
| How to group by employee name from the list? |
| How to filter all the employee whose age is greater than 20 and print the employee names using java 8 |
| How to count number of employees with age 18? |
| How is the Parameter List of Lambda Expression different from the Lambda Arrow Operator |
| How is a Base64 encoder that encodes URLs created in Java 8? |
| How is a Base64 decoder created in Java 8? |
| How do we find maximum age of employee? |
| How do sort all the employee on the basis of age? |
| How can you print the date of the next occurring next weekdays using Java 8? |
| How are Collections different from Stream |
| When do we go for Java 8 Stream API? Why do we need to use Java 8 Stream API in our projects? |
| Difference - Map and flatMap Stream Operation |
| Difference - Limit and Skip? |
| Difference - findFirst() and findAny() |
| Difference - Collection API and Stream API |
| Difference - Iterator and Spliterator |
| Difference - Predicate and Function |
| Difference - PermGenSpace and MetaSpace |
| Difference - Map and FlatMap stream operation |
| Difference - OLD Java Date API vs Java 8's Date vs Time API |
| Difference - Intermediate Operations and Terminal Operations |
| Difference - Functional Programming and Object-Oriented Programming |
| Difference - findFirst() and findAny() |
| Difference - Collection API and Stream API |
| Difference - Internal iteration and External iteration |
| What is Stream in Java? |
| What is a functional interface |
| What is Lambda |
| What mechanism is used in the implementation of parallel streams |
| What is a link to the method and how it is realized |
| What innovations appeared in Java 8 and JDK 8 |
| What variables have access to lambda-expression |
| What types of links to methods do you know |
| What is Stringjoiner |
| What is a Static interface method |
| What are the ways to create stream |
| What is the difference between Collection and Stream |
| What is the Collect () method in straps for |
| What final methods of working with streams do you know |
| What intermediate methods of working with streams do you know |
| What additional methods for working with associative arrays (Maps) appeared in Java 8 |
| What is LocalDetetime |
| What is ZoneDDATETEME |
| What is NASHORN |
| What is JJS |
| What class appeared in Java 8 for coding/decoding data |
| Explain the expression system.out :: println |
| Why are functional interfaces of the type _to_FUNCTION |
| Why are the MAP () and Maptoint (), MaptodOble (), Maptolong () are intended in streams. |
| Why in straps the LIMIT () method is intended |
| Why is the Sorted () method intended in streams |
| Why are the Flatmap (), Flatmaptoint (), FlatmaptodOble (), Flatmaptolong () methods for straps are intended for streams. |
| Why are the functional interfaces of Unaryoprator, Doubleunaryoprator, IntunaryOperator, Longunaryoprator |
| How to sort the list of lines using lambda expression |
| How to call the Default interface method in the class implementing this interface |
| How to call a static interface method |
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