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Interview Questions and Answers for 'Indium software' - 1 question(s) found - Order By Newest | |||||
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Ans. Abstract classes can have both abstract methods ( method declarations ) as well as concrete methods ( inherited to the derived classes ) whereas Interfaces can only have abstract methods ( method declarations ). A class can extend single abstract class whereas it can implement multiple interfaces. | |||||
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![]() or What are the different Java Collections Interfaces ? | |||||
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