Map Interface in Java - GeeksforGeeks
Oct 29, 2016 · Performing various operations using Map Interface and HashMap Class. Since Map is an interface, it can be used only with a class that implements this interface. Now, let’s see how to perform a few frequently used operations on a Map using the widely used HashMap class.And also, after the introduction of Generics in Java 1.5, it is possible to restrict the type of object that can be stored in ...
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