Can we change the scope of the overridden method in the subclass?
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Can I override protected method in java?
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I have a class which is abstract which contains only the abstract methods. This is similar to an interface. Then, if i have given a choice to choose one of them. Which one i have to choose and why?
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If all the methods in abstract class are declared as abstract then what is difference between abstract class and in interface?
Is null a string?
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