Make the class final so that it cannot be overridden .

把类声明成final的，这样它就不会被重写。

I have noted and overridden your protests .

我已经注意到并推翻了你的抗议。

This can be overridden in the interactive dialog .

这个是可以被覆盖的在交互对话框里。

Constants are inherited and can be overridden , much like instance methods can .

就像实例方法那样，常量也是可以被继承及覆写的。

Both singleton implementations do not allow convenient subclassing , since getinstance , being static , cannot be overridden polymorphically .

上面两种单例类都不允许有子类继承它们，因为getinstance方法是静态地，它不能被重构。