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local variable

 
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why this gives error...


 
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Because Java doesn't support default parameter values. Which means your line 4 is invalid syntax.
 
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In the future, please TellTheDetails(⇐click). Copy/paste the exact, complete error message.

Here, however, it's easy to see one problem right off the bat.


Java does not allow you to provide default values for method arguments. You should go back and review the method declaration section of your text or tutorial, such as: http://docs.oracle.com/javase/tutorial/java/javaOO/arguments.html
 
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As a side discussion, this is a cool feature of C++ that I kinda miss in Java -- especially when you want to add a new parameter, but want to remain backward compatible with old code. With Java, I would simply add the parameter, and then create an overloaded method with the old parameter set that calls the new parameter set with the appropriate (default) parameters.

Henry
 
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