100以内的质数

class ZhiShu01{
    public static void main(String[] args) {
       // boolean isFlag = true;
          int num = 0;
        l:for (int i = 2;i<=100000;i++){
            for(int j = 2;j<=Math.sqrt(i);j++){
                if(i % j ==0){
                //isFlag = false;
                //break;
                continue l ;
            }
            }
                //if(isFlag == true){
                //System.out.println(i);
                num++;
            }System.out.println("zhishugeshu:"+ num);
    }
}