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In this lesson we will learn how to pass an object as an argument to a method, and how to return an object from a method. Try stepping through with the debugger and observe the value assigned to the ...

Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...

Passing Object Reference Variables When you pass an object variable into a method, you must keep in mind that you're passing the object reference, and not the actual object itself. Remember that a ...

This method is used by hash-based Java collection classes, such as the java.util package’s HashMap, HashSet, and Hashtable classes to ensure that objects are properly stored and retrieved.

Parametric methods are recognized as a very useful tool for reusing code and augmenting the expressiveness of an object-oriented language providing parametric classes. his paper focuses on their ...