Someone

 * Binary.java
 *
 * Created on 4 Απρίλιος 2008, 8:29 πμ
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */
import javax.swing.JOptionPane;

public class Binary {
     public Binary() {
    }
     
    static String input(){
        return JOptionPane.showInputDialog(null,"Dose ena arithmo:");
        
    }
    static void massage(String x){
        JOptionPane.showMessageDialog(null, "O arithmos einai :" +x);
    }
    /** Creates a new instance of Binary */
   public static void ShowBits(int n){
       int m=1;
       m=m<<2;
       int r=m&n;
        r=r>>2;
        System.out.println(r);
       
   }
    public static void main(String[] args) {
        String in= input();
        massage(in);
        int x=Integer.parseInt(in);
        String y =Integer.toBinaryString(x);
        ShowBits(x);
        System.out.println("o diadikos einai"+y);
    JOptionPane.showMessageDialog(null,"o digit einai"+y);
        System.exit(0);
    }
}