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) {
        boolean flag=false;
        int count=0;
        if(number==2){
            flag=true;
        }
        else{
            int i;
            for(i=3;i<=number;i++){
                if(number%i==0){
                    count+=1;
                }
            }
            if(count<=1){
                flag=true;
            }
        }
        return flag;
        //write your code here......
    }
}