public class Solution {    public int[] twoSum(int[] nums, int target) {        int []sum = new int[2];        for(int i = 0; i < nums.length;i++)        {            for(int j = i+1; j < nums.length;j++)            {                if(nums[i]+nums[j] == target)                {                    sum[0] = i;                    sum[1] = j;                    break;                }                            }      }    return sum;    }}