public class Solution {    public int maxArea(int[] height) {        int i=0,j=height.length-1;		 int maxarea=0;		 int area=0;		 while(i<j)		 {			 if(height[i]<height[j])				 {area = (j-i)*height[i];				 i++;				 }				 			 else			 {				 area = (j-i)*height[j];			     j--;			 }			 if(area>maxarea)				 maxarea = area;					 }		return maxarea;			            }}