Saturday, 21 January 2012
JAVA: What is the difference between error and an exception?
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In Java, under Throwable class, there are 2 sub-classes named Exception and Error.
Exception class:
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.
- 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.
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