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What is exception handler in Java?

In Java, an exception handler is a block of code used to handle exceptions (i.e., exceptional events or errors) that may occur during the execution of a program. The exception handler is typically used to catch and handle exceptions thrown by the program, allowing the program to continue executing even if an error occurs.

Exception handlers are implemented using the try-catch construct, enabling you to specify a block of code "protected" by the exception handler. Suppose an exception is thrown within the protected block. In that case, the exception handler will catch it and execute the corresponding catch block, where you can specify the actions that should be taken to handle the exception.

In addition to the try-catch construct, Java also provides the final block, which is used to specify code that should be executed regardless of whether an exception is thrown. The final block is typically used to release resources that were acquired during the execution of the try block.


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