public class Ball {
    int     x;
    int     y;
    float   direction;
    float   speed;
    int     radius;
    
    // This is a constructor
    public Ball(int p1, int p2, float p3, float p4, int p5) {
        x = p1;
        y = p2;
        direction = p3;
        speed = p4;
        radius = p5;
    }
    
    // This is another constructor
    public Ball(int p1, int p2, float p3, int p4) {
        x = p1;
        y = p2;
        direction = (float)(Math.random()*2*Math.PI);
        speed = p3;
        radius = p4;
    }
    
    // This is a 3rd constructor
    public Ball(int p1, int p2) {
        x = p1;
        y = p2;
        direction = (float)(Math.random()*2*Math.PI);
        speed = 10;
        radius = 30;
    }
    
    // This is a zero-parameter constructor
    public Ball() {
        x = 100;
        y = 100;
        direction = (float)(Math.random()*2*Math.PI);
        speed = 5 + (int)(Math.random()*20);
        radius = 5 + (int)(Math.random()*20);
    }

}