Something

import javax.swing.*;
public class showbits {
    public static String input(){
       return JOptionPane.showInputDialog(null,"Dwse arithmo");

    }
    public static void message(String x) {
         JOptionPane.showMessageDialog(null,x);  //ayti i sinartisi message emfanizei to noumero
        
    }
    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 argcs[]){
        String in= input(); 
        int x=Integer.parseInt(in);
        JOptionPane.showMessageDialog(null,x);
        message(in);    //edw kaloume tin sinartisi 
       String x2=Integer.toBinaryString(x);
       JOptionPane.showMessageDialog(null,x2);
    
        int n=5;
        showbits(n);
        
         }
}