题目
遍历100以内的偶数,偶数的和,偶数的个数
代码
package l2_for;
/*遍历100以内的偶数,偶数的和,偶数的个数*/
public class ForDemo1 {
public static void main(String[] args) {
//方法1:
int sum1 = 0,count1=0;
for (int i = 0; i <= 100; i += 2) {
if (i != 0) {
sum1 += i;
count1++;
System.out.println(i);
}
}
System.out.println(count1);
System.out.println(sum1);
//方法2:
int sum2 = 0,count2=0;
for (int j = 1; j <= 100; j++) {
if (j % 2 == 0) {
sum2 += j;
count2++;
System.out.println(j);
}
}
System.out.println(count2);
System.out.println(sum2);
}
}