| What is an exception in Java? |
| What is the difference between Error and Exception? |
| What is the difference between checked and unchecked exceptions? |
| Can you catch Error in a catch block? Should you? |
| What are the common unchecked exceptions in Java? |
| What happens if an exception is not caught? |
| What is the difference between throw and throws? |
| Can a finally block be skipped? |
| What is the use of the finally block in Java? |
| What is the difference between final, finally, and finalize()? |
| What is exception propagation in Java? |
| Can a catch block exist without a try block? |
| Can we have multiple catch blocks for a single try block? |
| What will happen if both try and finally blocks throw an exception? |
| What is the order of execution of try-catch-finally blocks? |
| Can we use multiple exceptions in a single catch block (multi-catch)? |
| What is try-with-resources? How is it different from finally? |
| What is a suppressed exception? How can we retrieve it? |
| Why is it not recommended to catch Exception or Throwable directly? |
| How do you create a custom exception in Java? |
| What is exception chaining in Java? |
| What are checked exceptions, and why are they controversial? |
| How do you handle exceptions in Java 8 functional programming (e.g., in lambdas)? |
| What is the role of getCause() and initCause() in exceptions? |
| How does the JVM handle uncaught exceptions? |
| What is the performance cost of using exceptions? |
| What is the difference between RuntimeException and other exceptions? |
| How does exception handling work in Spring Boot (e.g., @ControllerAdvice)? |
| How do logging and exception handling work together in a production environment? |
| Write a method that throws a custom checked exception. |
| Write code to wrap a SQLException inside a custom exception. |
| Fix a code snippet where exception is being swallowed silently. |
| What happens if you return from the finally block? |
| What effect does it have on exceptions thrown in try or catch? |
| Can finally block override the value returned from a try or catch block? |
| Can we throw an exception from the finally block? |
| What are the consequences? |
| What is the impact of exception handling on performance in tight loops? |
| How does exception handling work with multithreading? |
| What happens if a thread throws an uncaught exception? |
| How do you handle exceptions globally in Java SE applications? |
| What is Thread.setDefaultUncaughtExceptionHandler()? |
| What is the difference between ExceptionInInitializerError and NoClassDefFoundError? |
| Can constructors throw exceptions? How do you handle them? |
| Why is it bad to catch and ignore exceptions silently? |
| What is the IllegalStateException and when should it be used? |
| How does Spring handle exceptions in REST controllers? |
| What is the role of @ResponseStatus in exception handling? |
| What is DataAccessException in Spring, and why is it unchecked? |
| How does exception translation work in Spring Data JPA (PersistenceExceptionTranslator)? |
| How can you configure a global exception handler in a Spring Boot microservice? |
| How do you test that an exception is thrown in JUnit 4 vs JUnit 5? |
| When should you create a new custom exception class vs reuse an existing one? |
| Why is it better to log the entire stack trace instead of just the exception message? |
| How do you ensure meaningful exception messages in production systems? |
| What is the difference between IllegalArgumentException and IllegalStateException? |
| How do you deal with exception wrapping and unwrapping in large systems? |
| What is a fail-fast system and how do exceptions play a role in that? |
| How would you handle exceptions in batch processing (e.g., Spring Batch)? |
| How can exceptions lead to memory leaks if not handled properly? |
| What is an Exception in Java? |
| What are the Exception Handling Keywords in Java? |
| Explain Java Exception Hierarchy? |
| What are the important methods of Java Exception Class? |
| Explain Java 7 ARM Feature and multi-catch block? |
| What is the difference between Checked and Unchecked Exceptions in Java? |
| What is the difference between the throw and throws keyword in Java? |
| How to write custom exceptions in Java? |
| What are different scenarios causing ?Exception in thread main?? |
| What is the difference between final, finally, and finalize in Java? |
| What happens when an exception is thrown by the main method? |
| Can we have an empty catch block? |
| What is NullPointerException? |
| What is ArrayIndexOutOfBoundsException? |
| What is NumberFormatException? |
| How the exceptions are handled in java? OR Explain exception handling mechanism in java? |
| What is try block? |
| What is catch block? |
| What is finally block? |
| What is an exception? |
| What is the difference between error and exception in java? |
| What is unreachable catch block error? |
| What are run time exceptions in java. Give example? |
| What is OutOfMemoryError in java? |
| what are checked and unchecked exceptions in java? |
| What is the difference between ClassNotFoundException and NoClassDefFoundError in java? |
| What is Re-throwing an exception in java? |
| What is the use of throws keyword in java? |
| What is the difference between final, finally and finalize in java? |
| What is ClassCastException in java? |
| What is the difference between throw, throws and throwable in java? |
| What is StackOverflowError in java? |
| What are chained exceptions in java? |
| What are the legal combinations of try, catch and finally blocks? |
| What is the use of printStackTrace() method? |
| What is ClassNotFoundException? |
| What is SQLException? |
| What is IOException |
| Explain the hierarchy of exceptions in java? |
| Why it is always recommended that clean up operations like closing the DB resources to keep inside a finally block? |
| Which class is the super class for all types of errors and exceptions in java? |
| How the exceptions are handled in java? OR Explain exception handling mechanism in java? |
| How do you create customized exceptions in java? |
| Can we keep other statements in between try, catch and finally blocks? |
| Can we write only try block without catch and finally blocks? |
| Can we keep the statements after finally block If the control is returning from the finally block itself? |
| Can we throw an exception manually? If yes, how? |
| Can we override a super class method which is throwing an unchecked exception with checked exception in the sub class? |
| Does finally block get executed If either try or catch blocks are returning the control? |
| Give some examples to checked exceptions? |
| Give some examples to unchecked exceptions? |
| What is Exception Handling in Java? |
| Differentiate between Checked and Unchecked Exceptions. |
| What are the core components of Java's exception handling mechanism? |
| Explain the try-catch-finally block in Java. |
| Can finally block be skipped? |
| What are the advantages of using finally block? |
| What is the purpose of the throws keyword? |
| Can you rethrow an exception in Java? |
| How do you handle multiple exceptions in Java? |
| What is the difference between throw and throws in Java? |
| Explain the concept of Custom Exceptions. |
| What are the best practices for exception handling in Java? |
| What design pattern is used to implement exception handling features in most languages? |
| What is the need for finally block? |
| What is the difference between error and exception? |
| What is the difference between checked exceptions and unchecked exceptions? |
| What happens when you throw a checked exception from a method? |
| What are the options you have to eliminate compilation errors when handling checked exceptions? |
| Why is exception handling important? |
| How do you throw an exception from a method? |
| How do you create a custom exception? |
| How do you handle multiple exception types with same exception handling block? |
| How does try with resources work? |
| In what scenarios is code in finally not executed? |
| Will finally be executed in the program below? |
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