@@ -0,0 +1,273 @@
+import java.util.Arrays;%0A%0Apublic class Solution %7B%0A%0A    public int arrayPairSum(int%5B%5D nums) %7B%0A%0A        Arrays.sort(nums);%0A%0A        int result = 0;%0A%0A        for (int i = 0; i %3C nums.length; i += 2) %7B%0A            result += nums%5Bi%5D;%0A        %7D%0A%0A        return result;%0A%0A    %7D%0A%0A%7D%0A

Create : 561 Array Partition I