--%>
Assignment Help - homework help

Method over ridding in java

Q. Explain method over ridding in java. Give example.              

Ans. Method over ridding: In a class hierarchy, when a method in a subclass has the same name and type signature as a method in its subclass then the method in the subclass in said to over ride the method in the super class. When an over ridden method is called from with a subclass it will always refer to the version of tat method defined the subclass. The version of the technique defined by the super class will be unseen. When show () is invoked on the object of type B, the version of show () defined in B is utilized. This is the version of show () inside B over riddles the version declared in A. If you want to access the super class version of an over ridden method function, you can do so by using super class. For example, in the version of B, the super class version is show () is invoked within the subclass version. This permits all instance variables to be exhibited.

Class B extends A

{  int K;

B { int a, int b, int c)

{  super (a, b)

K = c;

}

}

Method over ridding occurs only when the names and the types signature of the two methods are identical. If they are not then the two methods are simply over loaded. 

   Related Questions in Programming Languages

  • Q : Why is Java pure object oriented

    Explain the reasons that Java is pure object oriented programming language.

    		•
  • Q : Intermediate language concept Describe

    Describe the term Intermediate language? Illustrate in brief.

    		•
  • Q : State the term non-XML resources State

    State the term non-XML resources?

    		•
  • Q : What is Namespace Namespace: It is the

    Namespace: It is the region of a program in which specific identifiers are visible. Java employs packages to give namespaces, and its visibility rules: package, private, protected, public-variously include identifiers within the namespaces.

    		•
  • Q : Define BOOP Toolkit BOOP Toolkit : The

    BOOP Toolkit: The BOOP Toolkit has been developed at the Institute for Software Technology at Graz University of Technology. It is based on the SLAM project and uses the same main concept of verification by abstraction and refinement to determin

    		•
  • Q : Define Bounds Bounds : It is the limits

    Bounds: It is the limits of an array or collection. In Java, the lower limit is for all time zero (0). In case of an array, the upper bound is one less than the length of the array, and is fixed. Indexing exterior the bounds of an array or collection

    		•
  • Q : Meaning of SBI of an object in the

    Describe the meaning of SBI of an object in the programming?

    		•
  • Q : Including CSS with the HEAD Tag

    Describe how to include the CSS within the HEAD Tag?

    		•
  • Q : Define Swapping Swapping : An

    Swapping: An {operating system} is frequently able to run programs which need more memory than is physically accessible on the host system. In order to do this, the complete memory needed is broken down into smaller pieces that are swapped in whenever

    		•
  • Q : Define Byte Byte : In general

    Byte: In general computing, it refers to eight bits of data. In Java it is as well the name of one of the primitive data types, whose size is of eight bits.

    		•