/**

*

* Class, Objects, Instance and Field Variable

* */

public class Main {

public static void main(String[] args) {

Rectangle r1 = new Rectangle();

r1.setLength(10);

r1.setBreadth(20);

Rectangle r2 = r1;

r2.setLength(50);

r2.setBreadth(100);

Rectangle r3 = new Rectangle();

Rectangle r4 = new Rectangle();

Rectangle r5 = new Rectangle();

System.out.println(r1.getBreadth());

System.out.println(r1.getLength());

}

}

public class Rectangle {

int length; // or it can be float

int breadth;

public float getArea() {

float area = length * breadth;

return area;

}

public float findPerimeter() {

int p = 2 * ( length + breadth );

return p;

}

public int getLength() {

return length;

}

public void setLength(int length) {

this.length = length;

}

public int getBreadth() {

return breadth;

}

public void setBreadth(int breadth) {

this.breadth = breadth;

}

}