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Friday, 25 January 2013

use of super keyword method level in java with example


 super keyword at method level super keyword at method level with example  super keyword in java this and super keyword in java with example super keyword at method level in java super keyword method level in java with example


      Super At Method level:

           In order to differ between base class methods and derived class methods, in context of derived class, the methods of the base class must be preceded by keyword “super”.

Syntax:
 Super.baseclassmethod();



  The following example illustrate the concept of super keyword at  method level.

    // BaseDemo.java

       Class Basedemo
   {
      int a;//base class variable
      void fun1()//base class method
    {
     System.out.println(“this is base class”);
    }
  }
  Class DerivedDemo extends Basedemo
{
   int a;//Derived class variable
    void fun1() //derived class method
  {
   System.out.println(“this is derived calss”);
   Super.fun1();//super at method level
  }
  int fun2()
{
  int c=super.a+a;//super at variable level
  System.out.println(“value of a from base class is”+super.a);
  System.out.println(“value of a from base class is”+a);
 }
}

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