Java Thread and Muti-Thread (Multithreading)

public class MyClass implements Runnable {

	   public void run() {

	   }
	
	   public static void main(String[] args) throws Exception {
	      Thread th = new Thread(new MyClass());
	      th.start();
	   }
} 

public class MyClass{

	  public static void main(String args[]) {
		  startThread();
	   }
	  
		public static void startProgress(final String sItem) {

			Runnable runnable = new Runnable() {
				public void run() {

				}
			};
			new Thread(runnable).start();
		}
	
}

package com.java.myapp;

public class MyClass implements Runnable {

	   String sItem;

	   public MyClass(String strItem) {
		// TODO Auto-generated constructor stub
		   sItem = strItem;
	   }

	   public void run() {
	      for (int i = 0; i < 5; i++) {

	    	  System.out.println("Item Thread " + sItem + " (value = " + i + " )");
	    	  
	         try {
	            Thread.sleep(2000);
	         } catch (Exception e) {
	              System.out.println(e);
	         }
	      }
	   }
	
	   public static void main(String[] args) throws Exception {
		   
	      Thread t1 = new Thread(new MyClass("A"));
	      t1.start();
	      
	      Thread t2 = new Thread(new MyClass("B"));
	      t2.start();
	      
	      Thread t3 = new Thread(new MyClass("C"));
	      t3.start();
	   }
	} 

package com.java.myapp;


public class MyClass {

	  public static void main(String args[]) {
		  startProgress("A");
		  startProgress("B");
		  startProgress("C");
	   }
	  
		public static void startProgress(final String sItem) {

			Runnable runnable = new Runnable() {

				public void run() {

					for (int i = 0; i <= 5; i++) {
						final int value = i;
						try {
							Thread.sleep(2000);
						} catch (InterruptedException e) {
							e.printStackTrace();
						}
						System.out.println("Item Thread " + sItem + " (value = " + value + " )");
					}
				}
			};
			new Thread(runnable).start();
		}
	
}