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Saturday, 21 January 2012

JAVA: What is the difference between error and an exception?

In Java, under Throwable class, there are 2 sub-classes named Exception and Error.

Exception class:
  •  It is used for exceptional conditions that user programs should catch.
  •  It's also the class that you will sub-class to create your own custom exception types.
  •  For example, NullPointerException will be thrown if you try using a null reference.
Error class:
  •  It indicates serious problems that a reasonable application should not try to catch.
  •  It's used by the Java run-time system to indicate errors having to do with the run-time environment, itself.
  • For example, stack overflow is an error.

5 Responses to “ JAVA: What is the difference between error and an exception? ”

Unknown said...
16 November 2013 at 02:05

how to handle the error in application?


Unknown said...
3 August 2018 at 15:52

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suman said...
29 August 2018 at 18:25

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Steph Jones said...
10 October 2021 at 15:05

Thanks for shaaring


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