@@ -0,0 +1,463 @@
+public class Solution %7B%0A    public int%5B%5D twoSum(int%5B%5D nums, int target) %7B%0A        Map%3CInteger, Integer%3E map = new HashMap%3CInteger, Integer%3E();%0A        for (int i = 0; i %3C nums.length; i++)%0A            map.put(nums%5Bi%5D, i+1);%0A%0A        for (int j = 0; j %3C nums.length; j++) %7B%0A            Integer idx2 = map.get(target - nums%5Bj%5D);%0A            if (idx2 != null && idx2 != j+1)%0A                return new int%5B%5D%7Bj+1, idx2%7D;%0A        %7D%0A        return null;       %0A    %7D%0A%7D%0A

Create 001.java