import java.awt.Point;

public class Segment {
    private Point start;
    private Point end;

    public Segment(Point p1, Point p2) {
        start = p1;
        end = p2;
    }

    public Segment(int x1, int y1, int x2, int y2) {
        start = new Point(x1, y1);
        end = new Point(x2, y2);
    }

    public double length() {
        return Math.sqrt(Math.pow(end.x - start.x, 2) + Math.pow(end.y - start.y, 2));
    }

    public void setStart(Point p) {
        start = p;
    }

    public void setStart(int x, int y) {
        start.x = x;
        start.y = y;
    }

    public void setEnd(Point p) {
        end = p;
    }

    public void setEnd(int x, int y) {
        end.x = x;
        end.y = y;
    }

    public boolean equals(Segment s2) {
        return this.start == s2.start && this.end == s2.end; 
    }
}