OOPS5.java

class cylinder{
	private int radius;
	private int height;
	public cylinder(int r,int h) {
		this.radius=r;
		this.height =h;
	}
	public void setRadius(int n) {
		radius=n;
		//return n;
		
	}
	public int getRadius()
	{
		return radius;
	}
	public void setHeight(int n) {
		this.height=n;
		//return n;
		
	}
	public int getHeight() {
		return height;
		
		
	}
	public double getsurfaceArea() {
		return 2*3.14*radius*(height+radius);//Math.PI can also be used
		
	}
	public double getVolume() {
		return 3.14 *radius *radius*height;
		
	}
	
}
class Rectangle{
	private int length;
	private int breadth;
	public Rectangle(int r,int h) {
		this.length=r;
		this.breadth =h;
	}
	public Rectangle() {
		this.length=4;
		this.breadth =5;
	}
	
	
	
}
public class OOPS5 {

	

	public static void main(String[] args) {
		cylinder k1=new cylinder(10,20);
		//Problem 1
		//k1.setRadius(9);
		System.out.println(k1.getRadius());
		//k1.setHeight(12);
		System.out.println(k1.getHeight());
		//Problem 2
		k1.getsurfaceArea();
		System.out.println(k1.getsurfaceArea());
		k1.getVolume();
		System.out.println(k1.getVolume());
		
		
		
		
	}

}