1、继承Thread类

2、实现Runnable接口

3、两种实现方法之间的关系

4、实例

sleep是属于Thread类的静态函数。

/**
 * aThread.java
 * @author cjc
 */
public class aThread extends Thread
{
	public void run()
	{
		for(int i=0;i<10;i++)
		{
			System.out.println("The son thread1 is running...");
			try
			{
				Thread.sleep(1000);
			}
			catch (InterruptedException e)
			{
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	}
}

/**
 * bThread.java
 * @author cjc
 */
public class bThread implements Runnable
{
	public void run()
	{
		for(int i=0;i<10;i++)
		{
			System.out.println("The son thread2 is running...");
			try
			{
				Thread.sleep(1000);
			}
			catch (InterruptedException e)
			{
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	}
}

/**
 * ThreadDemo1.java
 * @author cjc
 */
public class ThreadDemo1
{
	public static void main(String[] args)
	{
		new aThread().start();
		Thread th=new Thread(new bThread());
		th.start();
		for(int i=0;i<10;i++)
		{
			System.out.println("The main thread is running...");
			try
			{
				Thread.sleep(1000);
			}
			catch (InterruptedException e)
			{
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	}
}

java多线程创建方法