// Illustrates concatenation operation in output statements

import javax.swing.JOptionPane;

public class JOP2
{
  public static void main(String[] args)
  {
    int x, y;
    double a, b;
    String s1, s2;


    s1 = JOptionPane.showInputDialog("Please enter an integer:");
    s2 = JOptionPane.showInputDialog("Please enter another integer:");

    x = Integer.parseInt(s1);
    y = Integer.parseInt(s2);
    
    s1 = JOptionPane.showInputDialog("Please enter an double:");
    s2 = JOptionPane.showInputDialog("Please enter another double:");

    a = Double.parseDouble(s1);
    b = Double.parseDouble(s2);
    
    String output = "The sum of your two integers:\n"
                  + x + " + " + y + " = " + (x + y) + "\n\n"
                  + "The sum of your two doubles:\n"
                  + a + " + " + b + " = " + (a + b) + "\n";

    JOptionPane.showMessageDialog(null, output, "Results!",
                                  JOptionPane.INFORMATION_MESSAGE);
  }
}