Abstract Software Class Method

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An Abstract Software Class Method is an Object-Oriented Class Method that ...



  • (Wikipedia, 2014) ⇒ http://en.wikipedia.org/wiki/method_(computer_programming)#Abstract_methods Retrieved:2014-8-9.
    • An abstract method is one with only a signature and no implementation body. It is often used to specify that a subclass must provide an implementation of the method. Abstract methods are used to specify interfaces in some computer languages.

      … The following Java code shows an abstract class that needs to be extended:
      abstract class Main {
      abstract int rectangle(int h, int w); // abstract method signature

      The following subclass extends the main class:

      public class Main2 extends Main {
      int rectangle(int h, int w)

      return h * w;