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import java.io.IOException;
public class ResponseUI extends Thread{
private static volatile double d = 1;

public ResponseUI(){
super.setDaemon(true); //ÉèÖúǫ́ÔËÐÐ
start();
}

public void run(){
while(true){
d = d + (Math.E + Math.PI) / d;
}
}
/**
* @param args
* @throws InterruptedException
* @throws IOException
*/
public static void main(String[] args) throws InterruptedException, IOException {
// TODO Auto-generated method stub
new ResponseUI();
Thread.sleep(300);
System.in.read();
System.out.println(d);
}
}

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java IO Rubicon

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