Two Sum

public class Solution {    public int[] twoSum(int[] numbers, int target) {        // Start typing your Java solution below        // DO NOT write main() function                if(numbers==null||numbers.length==0){            return null;        }                int[] result=new int[2];        int LEN = numbers.length;        for(int i=0;i<LEN;i++){            for(int j=i+1;j<LEN;j++){                if(numbers[i]+numbers[j]==target){                    result[0]=i+1;                    result[1]=j+1;                    return result;                }            }        }                return null;    }}