[hardwired]

Code:

import javax.swing.JOptionPane;

public class CountingRx
{
    public static void main(String args[])
    {
        String temp = "";
        int count=0;
        int j = 1;

        while (j <= 50)
        {
            j++;
            
            if(j % 2 == 0)    // test for an even number
            {
                count++;
                temp += " " + j;
                if(count % 5 == 0)
                    temp = temp + "\n";
            }
        }
        JOptionPane.showMessageDialog(null, "The output is "+ temp);
        System.exit(0);
    }
}