INTERVIEW QUESTIONS J2EE CORE JAVA DETAILS

Question: What is the use of finally block?

Answer: The finally block encloses code that is always executed at some point after the try block, whether an exception was thrown or not. This is right place to close files, release your network sockets, connections, and perform any other cleanup your code requires.

Note: If the try block executes with no exceptions, the finally block is executed immediately after the try block completes. It there was an exception thrown, the finally block executes immediately after the proper catch block completes

The finally block encloses code that is always executed at some point after the try block, whether an exception was thrown or not. This is right place to close files, release your network sockets, connections, and perform any other cleanup your code requires.

Note: If the try block executes with no exceptions, the finally block is executed immediately after the try block completes. It there was an exception thrown, the finally block executes immediately after the proper catch block completes Source: CoolInterview.com

Finally block is used to handle an exception(The common error which stop the complete execution of program.) in JAVA. It can be better understood by the following code:

try{
.........
code
}
catch(Exception e){
........
code
}
finally{
.......
code
}

Here finally will execute after catch block if there is any exception. And even there is no exception it will run.

It means the finally block always runs. Source: CoolInterview.com

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