import java.io.IOException;

public class JumbleNames implements Runnable
{
  private String firstName;                         // Store for first name
  private String secondName;                        // Store for second name
  private long aWhile;                              // Delay in milliseconds

  // Constructor
  public JumbleNames(String firstName, String secondName, long delay)
  {
    this.firstName = firstName;                     // Store the first name
    this.secondName = secondName;                   // Store the second name
    aWhile = delay;                                 // Store the delay
  }

  // Method where thread execution will start
  public void run()
  {
    try
    {
      while(true)                                   // Loop indefinitely...
      {
        System.out.print(firstName);                // Output first name
        Thread.sleep(aWhile);                       // Wait aWhile msec.
        System.out.print(secondName+"\n");          // Output second name
      }
    }
    catch(InterruptedException e)                   // Handle thread interruption
    {
      System.out.println(firstName + secondName + e);     // Output the exception
    }
  }

  public static void main(String[] args)
  {
    // Create three threads
    Thread first = new Thread(new JumbleNames("Hopalong ", "Cassidy ", 200L));
    Thread second = new Thread(new JumbleNames("Marilyn ", "Monroe ", 300L));
    Thread third = new Thread(new JumbleNames("Slim ", "Pickens ", 500L));

    // Set threads as daemon
    first.setDaemon(true);
    second.setDaemon(true);
    third.setDaemon(true);

    System.out.println("Press Enter when you have had enough...\n");
    first.start();                                  // Start the first thread
    second.start();                                 // Start the second thread
    third.start();                                  // Start the third thread
    try
    {
      System.in.read();                             // Wait until Enter key pressed
      System.out.println("Enter pressed...\n");
    } 
    catch (IOException e)                           // Handle IO exception
    {
      System.out.println(e);                        // Output the exception
    }
    System.out.println("Ending main()");
    return;
  }
}