/*

* @由于个人水平有限, 难免有些错误, 还请指点:

* @Author: cpu_code

* @Date: 2020-09-17 09:37:55

* @LastEditTime: 2020-09-17 09:43:16

* @FilePath: \java\aggregation\aggregation11.java

* @Gitee: [https://gitee.com/cpu_code](https://gitee.com/cpu_code)

* @Github: [https://github.com/CPU-Code](https://github.com/CPU-Code)

* @CSDN: [https://blog.csdn.net/qq_44226094](https://blog.csdn.net/qq_44226094)

* @Gitbook: [https://923992029.gitbook.io/cpucode/](https://923992029.gitbook.io/cpucode/)

*/

package aggregation;

public class aggregation11 {

public static void main(String[] args) {

int[] arr = {1, 3, 4, 5};

int sum = getSum(arr);

System.out.println(sum);

// 求 这几个元素和

int sum2 = getSum(2, 3, 5, 6);

System.out.println(sum2);

}

/*

//完成数组 所有元素的求和 原始写法

public static int getSum(int[] arr){

int sum = 0;

for(int a : arr){

sum += a;

}

return sum;

}

*/

//可变参数写法

public static int getSum(int... arr){

int sum = 0;

for(int a : arr){

sum += a;

}

return sum;

}

}

/*

13

16

*/