1TwoSum.java

import java.io.*;

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

 public static void main(String[] args) throws IOException {
 Solution obj = new Solution();
 int[] num = { 3,2,4};
 int[] y = obj.twoSum(num,6);
 for (int i = 0;i<y.length;i++) {
 System.out.print(y[i]+" ");
 }
 }
}