LongLastingCalculation.java

/**
 * 
 */
package com.tddinaction.concurrency.asynchexecution;

public class LongLastingCalculation {

    private volatile Integer result;

    public Integer getResult() {
        return result;
    }

    public void start() {
        new Thread() {
            @Override
            public void run() {
                try {
                    Thread.sleep(1000);
                    result = 42;
                } catch (InterruptedException e) {
                    Thread.currentThread().interrupt();
                }
            }
        }.start();
    }
}