题解 | #判断质数#
判断质数
https://www.nowcoder.com/practice/4d2a100c2e544f56ac1ad17e9ffa107d
import java.util.Scanner; 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) { for (int i = 2; i <= Math.sqrt(number); i++) { if (number % i == 0) { return false; } } return true; } }#java#