Inheritance in java | child class extend parent class | extends keyword in java

in this video i am gonna shoe how to inheritance in java program
how to use inheritance in java
Inheritance in Java is a mechanism in which one object acquires all the properties and behaviors of a parent object. It is an important part of OOPs (Object Oriented programming system). The idea behind inheritance in Java is that you can create new classes that are built upon existing classes.
parent class
super class
base class
child class
sub class
derived class
inheritance work in java and how to use extends keyword in java to create subclasses frim super class base class parent class
source code
package com.pakage;


class base {
public int x;
public int getx() {
return x;
}
public void setx(int x) {
System.out.println("i am a base class");
this.x =x;
}
}
class derived extends base{
public int y;
public int gety() {
return y;
}
public void sety(int y) {
System.out.println("i am a derived class");
this.y =y;
}
}

public class inheritance_In_java {

public static void main(String[] args) {
// TODO Auto-generated method stub
// craete an object base class
base b = new base();
b.setx(22);
System.out.println(b.getx());
// crate an object deived class
derived d = new derived();
d.setx(33);
System.out.println(d.getx());
d.sety(32);
System.out.println(d.gety());



}

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