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Doubt in list created by Arrays.asList( ) method

 
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When we write Arrays.asList(arr) we create a list. So cant we add anything to this list. Please see the example below. it gives me a runtime exception.Can somebody clarify.
 
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If you read the API documentation carefully, the asList() methods returns a fixed-size List. Hence, adding an element into a List is not allowed.
 
neha verma
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Thanks a lot
 
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