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P10_2.java
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18 lines (15 loc) · 415 Bytes
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package ch07;
import java.util.Arrays;
public class P10_2 {
public int arrayPairSum(int[] nums) {
int sum = 0;
Arrays.sort(nums);
// 앞에서부터 오름차순으로 인덱스 반복
for (int i = 0; i < nums.length; i++) {
// 짝수 번째일때 값의 합 계산
if (i % 2 == 0)
sum += nums[i];
}
return sum;
}
}