public class Rectangle {
    private int x;
    private int y;
    private int width;
    private int height;

    // Constructs a new Rectangle with the given x,y,w,h.
    public Rectangle(int x, int y, int w, int h)
    {
        this.x = x;
        this.y = y;
        width = w;
        height = h;
    }

    // returns the field values
    public int getX()
    {
        return x;
    }
    public int getY()
    {
        return y;
    }
    public int getWidth()
    {
        return width;
    }
    public int getHeight()
    {
        return height;
    }

    // example: {(5,12), 4x8}
    public String toString()
    {
        return "("+5+","+y+"), "+width+"x"+height;
    }

    // your method would go here
    public int max(int[] nums)
    {
        int max = nums[0];
        for(int i : nums)
        {
            if(i > max)
                max = i;
        }
        return max;
    }

    public int min(int[] nums)
    {
        int min = nums[0];
        for(int i : nums)
        {
            if(i < min)
                min = i;
        }
        return min;
    }

    public void union(Rectangle r)
    {
        int a = x;
        int b = x + width;
        int c = y;
        int d = y + height;
        int e = r.getX();
        int f = r.getX() + r.getWidth();
        int g = r.getY();
        int h = r.getY() + r.getHeight();
        int[] rows = new int[4];
        rows[0] = a;
        rows[1] = b;
        rows[2] = e;
        rows[3] = f;
        int[] cols = new int[4];
        cols[0] = c;
        cols[1] = d;
        cols[2] = g;
        cols[3] = h;
        int w = max(rows) - min(rows);
        int h2 = max(cols) - min(cols);
        int newX = min(rows);
        int newY = min(cols);
        x = newX;
        y = newY;
        width = w;
        height = h2;
    }
}