why local class can acess only the final variable declared in the enclosing method and not other variables?
The local variables of the method live on the stack, and exist only for the lifetime of the method. When the method ends, the stack frame is blown away and the variable is history. But even after the method completes, the inner class object created within it might still be alive on the heap if, for example, a reference to it was passed into some other code and then stored in an instance variable. Because the local variables aren't guaranteed to be alive as long as the method-local inner class object, the inner class object can't use them. Unless the local variables are marked final!
in main method: Here you can see we can access method local final variable outside the method. And print its value. As final variable is not stored in stack so it remains outside the method. But if you have used local variable like j in this code then this variable get deleted with the stack frame, so we cannot use local variable in the local methods.
It is not like final variable scope exists outside the method, but The compiler gives the inner class a copy of the variable as it is final, it is guarantee that it will not change.
[ December 08, 2008: Message edited by: Punit Singh ] [ December 08, 2008: Message edited by: Punit Singh ]
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