What is difference between static class and singleton pattern?
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What does the @override annotation do?
1) Find the Merge point of two linked lists. 2) Swap two bits of integer. 3) Reverse individual words of the sentence. 4) Reverse string without using temp string.
as we know a static method could access static data and static method only. then how could main method call the object of aclass which is not static and other non static data
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