编程入门]筛选N以内的素数

解题思路:

注意事项:

参考代码:

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);

        int n=sc.nextInt();

        for(int i=2;i<=n;i++){

            for (int j=2;j<=i;j++){

                if(i%j==0 && j!=i){

                    break;

                }

                if (i==j){

                    System.out.println(i);

                }

            }

        }

    }

}