Duck Number

//import required classes and packages  
import java.util.*;   
import java.io.*;   
import java.util.Scanner;  
public class DuckNumberExample {  
  
   // create checkNumber() method that returns true when it founds number Bu 
   //ghjhjkkhg
   public static boolean checkNumber(int number) {  
  
      // use loop to repeat steps  
      while(number != 0) {  
  
         // check whether the last digit of the number is zero or not  
         if(number%10 == 0)  
            return true;    //return true if the number is Duck  
  
         // divide the number by 10 to remove the last digit  
         number = number / 10;  
      }  
  
      return false; //return false if the number is not Duck  
   }  
       // main() method start  
    public static void main(String args[])   
    {     
        int n1, n2;  
          
 
        Scanner sc=new Scanner(System.in);  
         
        System.out.println("Enter first number");  
   
        n1 = sc.nextInt();  
          
        //show custom message  
        System.out.println("Enter second number");  
          
        //store user entered value into variable n2  
        n2 = sc.nextInt();  
          
        if (checkNumber(n1))   
            System.out.println(n1 + " is a Duck number");   
        else  
            System.out.println(n1 + " is not a Duck number");   
        if (checkNumber(n2))   
            System.out.println(n2 + " is a Duck number");   
        else  
            System.out.println(n2 + " is not a Duck number");   
    }  
}  
//end of the code
//optimized code using bufferedReader