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Inheritance Definition and Programs

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instanceof java

Posts: 576
Nickname: instanceof
Registered: Jan, 2015

instanceof java is a java related one.
Inheritance Definition and Programs Posted: Mar 6, 2015 1:28 AM
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Original Post: Inheritance Definition and Programs
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  • Getting the properties from one class object to other class is known as inheritance.
  • In this inheritance will have parent class and child class so getting the properties of parent class object to child class object known as inheritance.
  • In this we have two types.
  • Multilevel inheritance
  • Multiple inheritance

Multilevel inheritance:

  • Getting the properties from super class object to sub class object level wise with different priorities known as multiple inheritance.

Super class:

  1. package instanceofjava; 

  3. public class Super {
  4.  
  5.     int a,b;
  6.  
  7. void add(){
  8.  
  9.     System.out.println((a+b));
  10.  
  11. }
  12.  
  13. }

Sub class:

  1. package instanceofjava;
  2.  
  3. public class Sub extends Super {
  4.  
  5. void show(){
  6.  
  7.       System.out.println("this is sub class show() method");
  8.  
  9. }
  10.  
  11. public static void main(String [] args){
  12.  
  13.        Sub obj= new Sub();
  14.  
  15.         obj.a=1;
  16.         obj.b=2;
  17.  
  18.         obj.add();
  19.         obj.show();
  20.  
  21.     }
  22. }

Output:

  1. 3
  2. this is sub class show() method

Read: Inheritance Definition and Programs

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