week2 11. Container With Most Water

public class Solution {
    public int maxArea(int[] height) {
        if(height == null || height.length == 0){
            return 0;
        }
        
        int max = 0;
        int beg = 0;
        int end = height.length - 1;
        
        while (beg < end){
            if(height[beg] < height[end]){
                max = Math.max(max, (end - beg) * height[beg]); 
                beg++;
            }else{
                max = Math.max(max, (end - beg) * height[end]);
                end--;
            }
        }
        return max;
    }
}