java怎么用foreach算出一组数组的总和

Question

如题所述

Answer 1

int[] arr = new int[]{10,11,12,13,14,15,16,17,18,19,20};
int sum = 0;
for (int i : arr) {
sum += i;
}
System.out.println(sum);

追问

谢谢

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Answer 2

int[] arr = {10,11,12,13,14,15,16,17,18,19,20};
int sum = 0;
for(int i : arr)
sum += i;
System.out.println(sum);

Answer 3

int arr[] = {10,11,12,13,14,15,16,17,18,19,20};
int sum=0;
for (int x : arr) {
sum+=x;
}
system.out.print("总和为："+sum);

Answer 4

int[] array = [1...];
int sum = 0;
for(int i:array){
sum +=i;
}
System.out.println(sum);