package javaalgorithm; public class findprime { public static void main(String[] args) { // TODO Auto-generated method stub findprimeway f1 = new findprimeway(); for(int i=100;i<200;i++) { if(f1.iszhishu(i)) { System.out.println(i); } } } } class findprimeway { public boolean iszhishu(int x) { for(int i=2;i<=x/2;i++) if (x % i==0 ) return false; return true; } }