[LeetCode]Rectangle Area

public class Solution {
    public int computeArea(int A, int B, int C, int D, int E, int F, int G, int H) {
        int area = (C - A) * (D - B) + (G - E) * (H - F);
        if (C <= E || A >= G || B >= H || D <= F) {
            return area;
        }
        int x = Math.min(G, C) - Math.max(A, E);
        int y = Math.min(D, H) - Math.max(B, F);
        return area - x * y;
    }
}