threadexp.java

来自「javaThread」· Java 代码 · 共 49 行

/*源程序清单6-6*/

package thread;
import java.io.*;

public class Thread1 extends Thread
{
  public Thread1()
  {
  }

  public void run()
  {
    try
    {
      for(int i=0;i<2;i++)
      {
        Thread.sleep(1000);
        ThreadGroup tt = new ThreadGroup("hello");
        tt.activeCount();
        Thread d = new Thread(tt,"yagr");
        //设置一个守护进程
        //d.setDaemon(true);
        System.out.println(d.getThreadGroup());
       	 
        //d.join();
        System.out.println("Thread1:"+i);
      }
		System.out.println("Thread1 ended");
    }
    catch(Exception e)
    {
		System.out.println(e.toString());
    }
  }
  public static void main(String[] args) throws IOException
  {
  	Thread1 s = new Thread1();
  	s.run();
  	byte buffer[] = new byte[2056];
  	FileInputStream ss = new FileInputStream("d:\\test.txt");
  	int b = ss.read(buffer,0,2056);
  	System.out.println(b);
  	String str = new String(buffer,0,0,b);
  	System.out.println(str);
  	}
}