2
回答
Java TimerTask
public static void main(String[] args) throws Exception {  


    Timer timer = new Timer();
    timer.schedule(new TimerTask() { 

   Document doc = Jsoup.connect("http://www.oschina.net/").get(); public void run(){

    Elements t = doc.select("table");

    String linkText = t.text();      
    System.out.println(linkText);
   }

    },1000,5000);
}

为什么上面的代码编译正常,下面的就不行了?

public static void main(String[] args) throws Exception {  


    Timer timer = new Timer();
    timer.schedule(new TimerTask() { public void run(){
    Document doc = Jsoup.connect("http://www.oschina.net/").get();
    Elements t = doc.select("table");

    String linkText = t.text();      
    System.out.println(linkText);
   }

    },1000,5000);
}

这一句移了一个位置
Document doc = Jsoup.connect("http://www.oschina.net/").get();

编译错误:

Exception in thread "Timer-0" java.lang.Error: Unresolved compilation problem:
Unhandled exception type IOException
at bitcoin.aaa$1.run(aaa.java:25)
at java.util.TimerThread.mainLoop(Unknown Source)
at java.util.TimerThread.run(Unknown Source)

举报
Jenjdeffrd
发帖于3年前 2回/257阅
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