30 Top Interview Questions and Answers (2024)

Ques 1

What is the difference between 'finally' block and 'final' keyword?

'finally' is used in exception handling to define a block of code that will be executed whether an exception is thrown or not. 'final' is a keyword used to apply restrictions on class, method, and variable.

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Ques 2

Explain the concept of 'suppressed exceptions' in Java.

Suppressed exceptions are exceptions that are not propagated up the call stack and are associated with try-with-resources. They are added to the primary exception as suppressed exceptions.

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Ques 3

How can you handle exceptions in a multi-threaded environment?

You can use try-catch blocks inside the run() method of a thread or implement the 'Thread.UncaughtExceptionHandler' interface.

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Ques 4

Explain the 'try', 'catch', 'finally' and 'throw' keywords in Java.

'try' is used to enclose a block of code where exceptions might occur. 'catch' is used to handle exceptions. 'finally' is used to define a block of code that will be executed whether an exception is thrown or not. 'throw' is used to explicitly throw an exception.

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What is the difference between 'finally' block and 'final' keyword?

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Explain the concept of 'suppressed exceptions' in Java.

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How can you handle exceptions in a multi-threaded environment?

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Explain the 'try', 'catch', 'finally' and 'throw' keywords in Java.

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