Making the message classes immutable and cloning mutable references such as arrays at construction time would have prevented this problem.

使得消息类不可变并在构造时克隆像数组这样的可变引用，就可以防止该问题。

youdao

Plane is the mechanical base of geometrical accuracy and a lot of references such as plate, level and square, etc. are evolved from the plane.

几何精度的机械技术基础是平面，由平面可演变出基准平尺、平板、方尺等精度基准。

youdao

We do not recommend creating object references such as this one that does not refer to an object because trying to access an object through such a reference will fail at run time.

我们不建议您建立类似这种不参考物件的物件参考，因为在执行阶段尝试透过这样的参考存取物件将会失败。

youdao

It is easy to search by word or phrase and skip around on a tablet, or pull up references such as a dictionary or thesaurus.

FORBES: Is It A Book Or An App? Digital Publishing Combines The Two In A New Medium

Searches not only call up websites and images on the same page, but other references, such as Amazon's book search, the Internet Movie Database, and encyclopaedia and dictionary references.

ECONOMIST: Competition still exists on the web

Further SUV references, such as a load sill guard and a concealing skid plate fascia panel, highlight the rear bumper.

ENGADGET: Mercedes-Benz GLA concept puts laser projectors in headlights, redefines SUV