for (int n = 2; n <= 100; n++) { boolean flag = true; for (int i = 2; i < n; i++) { if (n % i == 0) { flag = false; break; } } if (flag) { System.out.println(n); }}
用java求一百以内质数
原文：https://www.cnblogs.com/s999/p/12530276.html
