JAVA
java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
import java.util.Scanner;
public class Program
{
public static void main(String[] args) {
int num;
Scanner sc = new Scanner(System.in);
while (true) {
try{
num = sc.nextInt();
break;
}
catch(Exception e){
System.out.println("The input must be an integer");
sc.next(); //Used to clean the buffer and avoid an infinite loop
}
}
}
}
Enter to Rename, Shift+Enter to Preview
OUTPUT
Run