题解 | #判断质数#

public class Main {
    public static void main(String[] args) {
        Main main = new Main();
        Scanner scan = new Scanner(System.in);
        int number = scan.nextInt();
        System.out.println(main.isPrimeNumber(number));
    }

    public Boolean isPrimeNumber(int number) {

        //write your code here......
        boolean flag = true;
        for(int i = 2;i<=Math.sqrt(number);i++)
        {
            if(0 == number%i)
            {
                flag = false;
                break;
            }
        }
        return flag;

    }
}