优化输出质数

Posted 2021-03-02 vegeta-xiao

 1 boolean isFlag = true;
 2         for (int i = 2; i <= 100; i++) {
 3             for (int j = 2; j <= Math.sqrt(i); j++) {
 4                 if (i % j == 0) {
 5                     isFlag = false;
 6                     break;
 7                 }
 8             }
 9             if (isFlag) {
10                 System.out.println(i);
11             }
12             isFlag = true;
13         }