Can I use try and finally without catch?

Can I use try and finally without catch?

Yes, we can have try without catch block by using finally block. You can use try with finally. As you know finally block always executes even if you have exception or return statement in try block except in case of System.

Is catch necessary after try?

is it necessary to put catch after try block ? Nope, not at all. Its not mandatory to put catch after try block, unless and until the try block is followed by a finally block. Just remember one thing, after try, a catch or a finally or both can work.

Can we write only try block without catch?

No, we cannot write only try block without catch and finally blocks.

What happens if you exclude catch and use only try and finally?

The exception is thrown out of the block, just as in any other case where it’s not caught. The finally block is executed regardless of how the try block is exited — regardless whether there are any catches at all, regardless of whether there is a matching catch.

Does try finally Rethrow?

Yes, it absolutely will. Assuming your finally block doesn’t throw an exception, of course, in which case that will effectively “replace” the one that was originally thrown.

Is finally block necessary?

The finally block is essential to ensure that clean up occurs. The idea of an exception always halting execution may be hard for someone to grasp until they have a certain amount of experience, but that is in fact the way to always do things.

What is the difference between try catch and finally keywords?

These are two different things: The catch block is only executed if an exception is thrown in the try block. The finally block is executed always after the try(-catch) block, if an exception is thrown or not.

Does finally run even if I throw in catch?

Yes, the finally blocks always runs… except when: The thread running the try-catch-finally block is killed or interrupted.

Is finally mandatory in Java?

Java finally block is always executed whether exception is handled or not. It is not mandatory to include a finally block at all, but if you do, it will run regardless of whether an exception was thrown and handled by the try and catch parts of the block. The finally will always execute unless. System.

Does finally catch error?

A finally block contains all the crucial statements that must be executed whether exception occurs or not. The statements present in this block will always execute regardless of whether exception occurs in try block or not such as closing a connection, stream etc.

When finally block gets executed?

The finally block always executes when the try block exits. This ensures that the finally block is executed even if an unexpected exception occurs.