Main001.java

public class Main001 {

 public static void main(String[] args){
 int[] nums = new int[]{2,7,11,15};
 int target = 9;
 int[] res = twoSum(nums, target);
 System.out.println(res[0] + "+" + res[1] + "=" + target);
 }

 public static int[] twoSum(int[] nums, int target) {
 int[] res = new int[2];
 for (int i = 0; i < nums.length-1; i ++ ){
 for (int j = i+1; j < nums.length; j++){
 if (nums[i] + nums[j] == target){
 res[0] = i;
 res[1] = j;
 return res;
 }
 }
 }
 return res;
 }
}