Line

public class Line {

    private Point p1, p2;

    public Line(Point p1, Point p2) {
        this.p1 = p1;
        this.p2 = p2;
    }
    public Line(Line aLine) {
        this.p1 = aLine.p1;
        this.p2 = aLine.p2;
    }
    public Line() {
        this.p1 = new Point(0,0);
        this.p2 = new Point(0,0);
    }
    public Point getP1() {
        return p1;
    }
    public Point getP2() {
        return p2;
    }
    public void set(Point p1, Point p2) {
        this.p1 = p1;
        this.p2 = p2;
    }
    public double getDistance() {
        double xCoord = Math.pow((p1.getX() - p2.getX()),2);
        double yCoord = Math.pow((p1.getY() - p2.getY()), 2);

        return Math.sqrt(xCoord + yCoord);
    }
    public String toString() {
        return String.format("Line ( " + p1.toString() + ", " + p2.toString() + ", distance = %," +
                ".4f)\n", this.getDistance());
    }

}