No561.java

package Algorithm.leetcode.Array;

import java.util.Arrays;

public class No561 {
	public int arrayPairSum(int[] nums) {
		int result = 0;
		Arrays.sort(nums);
		for (int i = 0; i < nums.length; i += 2) {
			result += nums[i];
		}
		return result;
	}
}