public class ContinueWithLabel {
public static void main(String[] args) {
int count = 0; //计数,十位数+1则换行
ausser:
for (int i = 1; i < 50; i++) {
for (int j = 2; j < i / 2 + 1; j++) {
if (i % j == 0) {
continue ausser;
}
}
if (i / 10 != count) { // 判断十位数是否+1
count++;
System.out.println(); //换行
}
System.out.print(i + " ");
}
}
}
输出结果:
1 2 3 5 7
11 13 17 19
23 29
31 37
41 43 47