Greatest Comman Divisor using Java

package javaapplication5;

import java.util.Scanner;

/**
 *
 * @author sami
 */
public class GCD {
    
    /** Creates a new instance of GCD */
    public GCD() {
        System.out.println("Greatest Comman Divisor  ");
        Scanner inscan=new Scanner(System.in);
        System.out.println("Please enter the first number ");
        a=inscan.nextInt();
        System.out.println("Please enter the second number ");
        b=inscan.nextInt();
        System.out.println("The GCD("+a+","+b+")= "+get_GCD() );
    }
    public int get_GCD()
    {
        int remmender;
        while(b>0)
        {
            remmender=a%b;
            a=b;
            b=remmender;
        }
        return a;
    }
    
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        new GCD();
        // TODO code application logic here
    }
    
   private int a;
   private int b;
   
}