知识大全 Java2入门经典教程 11.1 了解线程[3]

Posted 2022-07-18 知

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试试看派生Thread的子类

用一个例子我们可以看到这是如何工作的我们将定义一个由Thread的类派生的类TryThread 执行从main（）方法开始

import java io TOException;public java TryThread extends thread private string firstName; //store for first nameprivate string secondName; //store for second nameprivate long awhile //Delay in millisecondspublic TryThread(string firsName string secondName long delaythis firstName=firstName //store the first namethis secondName=secondName; //store the second nameawhile=delay //store the delaysetDaemon(true) //Thread is daemonpublic static void main (string[]args)//create three threads Thread first =new TryThread( Hopalong cassidy L);Thread second=new TryThread( Marilyn Monroe L);Thread third =new TryThread( slim pickens L);system out println( press Enter when you have had enough \\n );first start(); //start the first thread second start(); //start the second threadthrid start(); //start the thrid threadtry system in read(); //wait until Enter key pressed system out println(Enter prosed \\n); catch (IOException e) //Hand Io exception system out println(e); //Output the exception system out println(Ending main()); return; //Method where thread execption will stare public void run() try while(ture) //Loop indefinitely system out prin(firstName); //output first name sleep(awhile); //wait awhile mses system out print(secondName + \\n); //output second name catch(InteruptedException e) //Hand thread interruption system out println(firstName+secondName+e); //Output the exception

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