public class Points
{
	private int xTopLeft;
	private int yTopLeft;
	private int xBottRight;
	private int yBottRight;
 
	public Points(){}
 
	public Points(int a, int b, int c, int d)
	{
		setXTopLeft(a);
		setYTopLeft(b);
		setXBottRight(c);
		setYBottRight(d);
	}
 
	private void setXTopLeft(int i){xTopLeft = i;}
	public int getXTopLeft(){return xTopLeft;}
 
	private void setYTopLeft(int i){yTopLeft = i;}
	public int getYTopLeft() { return yTopLeft;}
 
	private void setXBottRight(int i) {xBottRight = i;}
	public int getXBottRight(){return xBottRight;}
 
	private void setYBottRight(int i) {yBottRight = i;}
	public int getYBottRight() { return yBottRight;}
}

//add new element to vector
vec.add(new Pointer(X_TOP_LEFT, Y_TOP_LEFT, X_BOTTOM_RIGHT, Y_BOTTOM_RIGHT));
 
//retrieve rectangle points
for(Vector<Pointers>point:vec)
{
    //DO WHAT EVER YOU WANT WITH RETRIEVED DATA
    System.out.println("Shape coordinates: "+point.getXTopLeft()+"-"+point.getYTopLeft()+"-"+point.getXBottRight()+"-"+point.getYBottRight());
}

for(i = 0; i < vector.size(); i++){
Point a = (Point) vector.get(i);
 
//Get the top left corner
if (a.x < topLeftPoint.x && a.y < topLeftPoint.y)
topLeftPoint = a;
System.out.println("Top Left" + topLeftPoint);
 
for(j = 0; j < vector.size(); j++)
{
Point b  = (Point) vector.get(j);
//Get the bottom right corner
if (b.x > bottomRightPoint.x && b.y > bottomRightPoint.y) {
bottomRightPoint = b;
System.out.println("Bottom right" + bottomRightPoint);
}
}

for(i = 0; i < vector.size()-1; i++)
{
    Point a = (Point) vector.get(i);
    Point b = (Point) vector.get(i+1);
    if(a.x < b.x && a.y < b.y)
    {
        System.out.println("Got my coordinates");
        i++; // need to move one extra position so loop doesn't use "b" Point
    }
    else
    {
        System.out.println("A point has bigger values then B");
        //for loop moves "b" values to "a" and be get new set
    }
}