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Can we have empty finally block?
When we have a try block without any code is finally block, the compiler compiles it fine. However, there is no purpose of try here – because we are neither catching a exception nor cleaning up code in finally block.
What happens if catch block is empty?
Generally, the try block has the code which is capable of producing exceptions, if anything wrong in the try block, for instance, divide by zero, file not found, etc. The catch block catches and handles the exception. If the catch block is empty then we will have no idea what went wrong within our code.
How do you stop an empty catch block?
AVOID empty catch blocks. In general, empty catch blocks should be avoided. In cases where they are intended, a comment should be provided to explain why exceptions are being caught and suppressed. Alternatively, the exception identifier can be named with underscores (e.g., _ ) to indicate that we intend to skip it.
Can we write finally block without try block?
Finally cannot be used without a try block. The try block defines which lines of code will be followed by the finally code. If an exception is thrown prior to the try block, the finally code will not execute. The finally block always executes when the try block exits.
Is it bad practice to use empty catch blocks?
Using an empty catch block just swallows the Exception, I would always handle it, even if it is reporting back to you that an Exception occurred. Also catching the generic Exception is bad practice due to the fact it can hide bugs in your application.
How does the catch block work in Java?
Generally, the try block has the code which is capable of producing exceptions, if anything wrong in the try block, for instance, divide by zero, file not found, etc. It will generate an exception that is caught by the catch block. The catch block catches and handles the exception.
When is it a bad idea to use try catch in Java?
So you try to get it, and if anything happens, that’s ok, I’ll just add a “catch (Exception ignored) {}” and that’s all Usually empty try-catch is a bad idea because you are silently swallowing an error condition and then continuing execution.