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) { //write your code here...... boolean isprimeNumber = true;//设默认值为是质数; for(int i=2; i<number; i++){ if(number%i==0){//如果该数能被大于1到小于该数之间的整数整除 isprimeNumber = false;//则该数不是质数 } } return isprimeNumber; } }