main.java

< Java多线程设计模式>> 一书

import person.MutablePerson;
import person.ImmutablePerson;

public class Main {
    public static void main(String[] args) {
        MutablePerson mutable = new MutablePerson("start", "start");
        new CrackerThread(mutable).start();
        new CrackerThread(mutable).start();
        new CrackerThread(mutable).start();
        for (int i = 0; true; i++) {
            mutable.setPerson("" + i, "" + i);
        }
    }
}

class CrackerThread extends Thread {
    private final MutablePerson mutable;
    public CrackerThread(MutablePerson mutable) {
        this.mutable = mutable;
    }
    public void run() {
        while (true) {
            ImmutablePerson immutable = new ImmutablePerson(mutable);
            if (!immutable.getName().equals(immutable.getAddress())) {
                System.out.println(currentThread().getName() + " ***** BROKEN ***** " + immutable);
            }
        }
    }
}