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The Java programming language provides a flexible error handling model.

• ListOfNumbers.java shows how to use a try and catch block to catch exceptions. For supporting information see The Java Tutorial: Handling Errors Using Exceptions.
  
  
• ListOfNumbersWOHandler.java demonstrates how the compiler handles runtime and checked exceptions differently. A program must handle checked exceptions, but does not have to handle runtime exceptions. For supporting information see The Java Tutorial: Handling Errors Using Exceptions.