Since it is thread safe by design, you might cache it in a public static final variable, or wrap it in a singleton pattern after creation for later access.

因为根据设计它是线程安全的，创建它之后可以把它缓存在一个公共静态最终变量中，或者包装在单实例模式中以供以后访问。

youdao

Listing 1. Public static final constants.

清单1.public static final的常量。

youdao

Listing 1. Public static final constants.

清单1.public static final的常量。

youdao