8. Constructor Examples

public class Point {
    int x;
    int y;
    public Point() {
        x = 0;
        y = 0;
    }
    public Point ( int x, int y ) {
        this.x = x;
        this.y = y;
    }
    public String toString() {
        return x + " " + y;
    }
    public static void main( String[] args )  {
        Point pt = new Point();
        Point pt2 = new Point( 10, 20 );
        System.out.println( pt.toString() );
        System.out.println( pt2.toString() );
    }
}

To run this example, type command:

    Point.main( null );

or simply

    java Point