12. 10. 24

import java.*;
import java.io.IOException;

class MyThread extends Thread
{
 public void run()
 {
  for (int i = 0; i < 10; i++)
  {
   System.out.print((i + 1) + "");
  }
 }
}

class MyRunnable implements Runnable
{
 String Name;

 public MyRunnable()
 {
  Name = "";
 }

 public MyRunnable(String name)
 {
  Name = name;
 }

 public void run()
 {
  try
  {
   for (int i = 0;; i++)
   {
    String test = "Hello World!!";

    // System.out.print(Name + i + " ");
    System.out.print(test.charAt(i));
    Thread.sleep(500);

    if (test.length() == (i + 1))
     break;
   }
  } catch (Exception e)
  {
   System.out.print(" Error ");
  }
 }
}

class MessageLoop implements Runnable
{
 public void run()
 {
  String message[] =
  { "Pride will have a fall.",
    "Power is dangerous unless you have humility.",
    "Office changes manners.", "Empty vessels make the most sound." };
  try
  {
   for (int i = 0; i < message.length; i++)
   {
    System.out.println(message[i]);
    Thread.sleep(1000);
   }
  } catch (Exception e)
  {

  }
 }
}

public class console
{
 public static void main(String[] args) throws Exception
 {
  // Thread t = new MyThread();
  // Thread t2 = new Thread(new MyRunnable("A"));
  // Thread t3 = new Thread(new MyRunnable("B"));
  Thread t4 = new Thread(new MessageLoop());

  // t.start();
  // t2.start();
  // t3.start();
  t4.start();
 }

 void print(String message)
 {
  String threadName = Thread.currentThread().getName();
  System.out.format("%s: %s%n", threadName, message);
 }

}