Thread return idée

MainThread.java

package view.form;

/**
 * Created by antoineomnes on 05/06/2017.
 */
class MainThread {
    public void startMyThread() {
        Object requiredObject = new Object(); //Map/List/OwnClass
        Thread myThread = new Thread(new RunnableObject(requiredObject)).start();
        myThread.join();

        System.out.println(requiredObject.getRequiredValue());
    }
}



class RunnableObject implements Runnable {
    private Object requiredObject;

    public RunnableObject(Object requiredObject) {
        this.requiredObject = requiredObject;
    }

    public void run() {
        requiredObject.setRequiredValue(xxxxx);
    }
}