Notes
Notes - notes.io |
Inheritance, polymorphism, abstraction, encapsulation,over riding, over loading all implemented in single program.
The file name must be MainClass.java
Program:
class One {
public void display() {
System.out.println("One");
}
}
//inheritance
class Two extends One {
@Override
public void display() {
System.out.println("Two");
}
public int add(int x, int y) {
return x+y;
}
//Overload
public double add(double x,double y) {
return x+y;
}
}
//encapsulation example
class EncapTest {
private String name;
public String getName() {
return name;
}
public void setName(String newName) {
name = newName;
}
}
//abstraction
abstract class TwoWheeler {
public abstract void run();
}
class Honda extends TwoWheeler{
public void run(){
System.out.println("nbike is Running..");
}
}
class MainClass {
public static void main(String[] args) {
One a=new One();
a.display();
Two b=new Two();
b.display();
System.out.println(b.add(4,2));
System.out.println(b.add(5.,2.)); //polymorphism
EncapTest encap = new EncapTest();
encap.setName("Sandeep's");
System.out.print("Name : " + encap.getName() );
TwoWheeler test = new Honda();
test.run();
}
}
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