本文实例讲述了Java线程操作的常见方法。分享给大家供大家参考，具体如下：
一 线程名称的操作
1 代码
public class GetNameThreadDemo extends Thread
{
public void run()
{
for( int i = 0; i < 5; ++i )
{
printMsg();
try
{
Thread.sleep(1000); // 睡眠1秒
}
catch( InterruptedException e )
{
e.printStackTrace();
}
}
}
public void printMsg()
{
// 获得运行此代码的线程的引用
Thread t = Thread.currentThread();
String name = t.getName();
System.out.println( "name = " + name );
}
public static void main( String[] args )
{
GetNameThreadDemo t1 = new GetNameThreadDemo();
t1.start();
for( int i = 0; i < 5; ++i )
{
t1.printMsg();
try
{
Thread.sleep(1000); // 睡眠1秒
}
catch( InterruptedException e )
{
e.printStackTrace();
}
}
}
}
2 运行
name = main
name = Thread-0
name = main
name = Thread-0
name = main
name = Thread-0
name = main
name = Thread-0
name = main
name = Thread-0
二 设置与获取线程名称
1 代码
public class GetSetNameThreadDemo implements Runnable
{
public void run( )
{
Thread temp = Thread.currentThread( );//获取执行这条语句的线程实例
System.out.println("执行这条语句的线程名字:" + temp.getName( ));
}
public static void main(String[] args)
{
Thread t = new Thread(new GetSetNameThreadDemo( ));
t.setName("线程_范例演示");
t.start();
}
}
2 运行
执行这条语句的线程名字:线程_范例演示
三 判断线程是否启动
1 代码
public class StartThreadDemo extends Thread
{
public void run()
{
for( int i = 0; i < 5; ++i )
{
printMsg();
}
}
public void printMsg()
{
// 获得运行此代码的线程的引用
Thread t = Thread.currentThread();
String name = t.getName();
System.out.println( "name = " + name );
}
public static void main( String[] args )
{
StartThreadDemo t = new StartThreadDemo();
t.setName( "test Thread" );
System.out.println( "调用start()方法之前 , t.isAlive() = " + t.isAlive() );
t.start();
System.out.println( "刚调用start()方法时 , t.isAlive() = " + t.isAlive() );
for( int i = 0; i < 5; ++i )
{
t.printMsg();
}
// 下面语句的输出结果是不固定的，有时输出false，有时输出true
System.out.println( "main()方法结束时 , t.isAlive() = " + t.isAlive() );
}
}
2 运行
调用start()方法之前 , t.isAlive() = false
刚调用start()方法时 , t.isAlive() = true
name = main
name = main
name = main
name = test Thread
name = main
name = test Thread
name = main
name = test Thread
main()方法结束时 , t.isAlive() = true
name = test Thread
name = test Thread
Process finished with exit code 0
更多java相关内容感兴趣的读者可查看本站专题：《Java进程与线程操作技巧总结》、《Java数据结构与算法教程》、《Java操作DOM节点技巧总结》、《Java文件与目录操作技巧汇总》和《Java缓存操作技巧汇总》
希望本文所述对大家java程序设计有所帮助。
