TestDesignTime.java 文件源码

public static void main(String[] args) throws InterruptedException {
    if (Beans.isDesignTime()) {
        throw new Error("unexpected DesignTime property");
    }
    Beans.setDesignTime(!Beans.isDesignTime());
    ThreadGroup group = new ThreadGroup("$$$");
    Thread thread = new Thread(group, new TestDesignTime());
    thread.start();
    thread.join();
}