There are some other issues such as small mutable object creation, such as Rectangle, Point etc, these objects usually cannot be re-used due to synchronization consideration.

一些其他的问题来源于小的可变对象的创建，如Rectangle,Point，这些对象基于同步的考虑通常不可重用。

youdao

There are some other issues such as small mutable object creation, such as Rectangle, Point etc, these objects usually cannot be re-used due to synchronization consideration.

一些其他的问题来源于小的可变对象的创建，如Rectangle,Point，这些对象基于同步的考虑通常不可重用。

youdao