Second Class

import java.awt.*;

public class GameObject {


    private int x,y;
    private Color c;
    private int a = 40;


    public GameObject(){
        this.x = (int)(Math.random()* 600);
        this.y = (int)(Math.random()* 600);
        this.c = new Color((int)(Math.random()*255),(int)(Math.random()*255),(int)(Math.random()*255));

    }


    public void move(){



        this.x += Math.random() * 12;
        this.x -= Math.random() * 10;
        this.y += Math.random() * 12;
        this.y -= Math.random() * 10;


        if(this.x < 0){

        this.x = 3 * (int)(Math.random() * 60);
                }

        if(this.x > 600){

            this.x = 3 * (int)Math.random() * 60;
        }

        if( this.y < 0){

            this.y = 10 * (int)Math.random() * 60;
            }

        if(this.y > 600){

            this.y = 10 * (int)Math.random() * 60;
        }

    }

    public void paint(Graphics g){
        //g.drawRect(x, y, a, a);
        g.setColor(c);
        g.fillRect(x, y, a, a);


    }

}