【实验1】创建int型数组,存储100以内的偶数,并计算数组内所有元素的和。
public class Client {
public static void main(String[] args) {
// TODO Auto-generated method s tub
int[] arr = new int[51];
int sum = 0;
int i = 0;
for (int k=0;k<=100;k+=2) {
arr[i] = k;
System.out.print(arr[i]+ " ");
sum += arr[i];
i++;
if(i%10 ==0 ) System.out.println();
}
System.out.println();
System.out.println("==============");
System.out.println("所有偶数的和为:"+sum);
}
}