题目:判断101-200之间有多少个素数,并输出所有素数。
package cn.ls.lanqiao;
public class Test2 {
public static void main(String[] args) {
int sum = 0;
for (int i = 101; i <= 200; i++) {
if (isSuShu(i)) {
sum++;
System.out.println(i);
}
}
System.out.println(sum);
}
public static boolean isSuShu(int target) {
if (target == 1) {
return false;
}
for (int i = 2; i < target; i++) {
if (target % i == 0) {
return false;
}
}
return true;
}
}