WaitNotify.java

public class MonitorObject {
}

public class MyWaitNotify {
    MonitorObject myMonitorObject = new MonitorObject();

    public void doWait() {
        synchronized(myMonitorObject) {
        try {
            myMonitor.wait();
        } catch (InterruptedException e) { //… }
    }

    public void doNotify() {
        synchronized(myMonitorObject) {
            myMonitorObject.notify();
        }
    }
}