Java Exception handling and its keyword

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Java Exception Handling and Its Useful Keywords
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• Exception handling is a process to handle
  exceptions in the execution of the program at run
  time so that the execution should not stop. The
  advantage of exception handling is to maintain
  the execution of the program/code because
  generally, exception stops the execution of the
  program.
• Exception in Java are as below-
• 1.Checked Exception
• 2.Unchecked Exception

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Below are some Keywords that are used to handle
exceptions In Java-

• 1.Try- It is a block of code where users write
  code that could have any exception. This block is
  always followed either by a catch block or
  finally block, we cannot use try block alone.
• 2.Catch- In this block code is written to handle
  the exception. Catch block is never written alone
  it is always preceded by the try block, and also
  catch block could be followed by a finally block.
• 3.Finally- This block of code is used to execute
  the crucial code of the program, it is executed
  when an exception is handled or not handled.
• 4.Throw- This keyword is used to throw the
  exception.
• 5.Throws- This keyword is used to declare the
  exception, it signifies that this method can
  throw an exception. We will always write this
  keyword with the method signature.

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• A programmer should always handle the exception
  to maintain the normal execution of the program
  because an exception can disrupt the normal flow
  of the execution of the code that's why we should
  use exception handling.
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