思路:判斷該數分別除以3,5,7的餘數是否爲零,利用if...else語句進行輸出
import java.util.Scanner;
public class Four62 {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in); //從鍵盤輸入
System.out.print("請輸入num值:");
int num = scan.nextInt();
int i = num % 3;
int j = num % 5;
int k = num % 7;
if(i==0&&j==0&&k==0) {
System.out.println(num+"能被3,5,7同時整除");
}
else {
System.out.println(num+"不能被3,5,7同時整除");
}
scan.close();
}
}