How does marking a variable as final allow inner classes to access them?

Question

An inner class defined inside a method cannot access the method\'s local variables unless these local variables are marked final.I\'ve looked a

Answer 1

Method Local inner classes can’t use local variable of outer method until that local variable is not declared as final. The main reason we need to declare a local variable as a final is that local variable lives on stack till method is on the stack but there might be a case the object of inner class still lives on the heap.

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