In that case, a new singleton object will be created.

在这种情况下，一个新的单例对象会被创建。

youdao

First, XML is a Scala object. That is, it is a singleton object.

首先，XML是一个Scala对象，即它是一个单例(singleton)对象。

youdao

As a result, instance is now non-null and refers to a valid Singleton object.

结果是，instance现在为非null并引用一个有效的Singleton对象。

youdao