try catch in java
try block: code that is protected for any exceptions. and it is mandatory
(only try)
catch block: if any exception happens during runtime in the try block,
the catch block will catch that exception.
if any exception happens during runtime in the try block,
control will be given to catch block.
An optional finally block gives us a chance to run the code which
we want to execute EVERYTIME a try-catch block is completed
– either with errors or without any error.can we have multiple catch block for a try block
In some cases our code may throw more than one exception.
In such case we can specify two or more catch clauses, each catch handling
different type of exception. When an exception is thrown jvm checks each
catch statement in order and the first one which matches the type of
exception is execution and remaining catch blocks are skipped.
Try with multiple catch blocks is highly recommended in java.
If try with multiple catch blocks are present the order of catch blocks is
very important and the order should be from child to parent.Copyright © 2021 Codeinu
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