arrayList.contains doesn't invoke overrided equals

In PacMan DFS problem i represent each points with the following static ier class

static class Point{
    int x;
    int y;
    public Point(int x, int y){
        this.x = x; 
        this.y = y;
    }
    public boolean equals(Point p){
        System.out.println(this+", "+p);
        retu (this.x == p.x && this.y == p.y) ? true: false;
    }
    public String toString(){
        retu x+" "+y;
    }
}

and add each point in ArrayList points = ArrayList();

problem is: if i do the following points.contains(new Point(1, 2)) equals(method) never invoked although points.size() > 0;

i case you don't know: contains invoke ArrayList.indexOf --> run though each point and compare by using equals if equals retu num>-1 else retu -1, but indexOf never reach equals in contains(point) if point is null.