//: concurrency/ResponsiveUI.java

package concurrency; /* Added by Eclipse.py */

// User interface responsiveness.

// {RunByHand}

class UnresponsiveUI {

private volatile double d = 1;

public UnresponsiveUI() throws Exception {

while(d > 0)

d = d + (Math.PI + Math.E) / d;

System.in.read(); // Never gets here

}

}

public class ResponsiveUI extends Thread {

private static volatile double d = 1;

public ResponsiveUI() {

setDaemon(true);

start();

}

public void run() {

while(true) {

d = d + (Math.PI + Math.E) / d;

}

}

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

//! new UnresponsiveUI(); // Must kill this process

new ResponsiveUI();

System.in.read();

System.out.println(d); // Shows progress

}

} ///:~