中华一晓ceci缚乐园:java中的util和lang包中的类总体上有什么功能?

来源:百度文库 编辑:杭州交通信息网 时间:2024/04/29 22:42:47

Package java.util
Contains the collections framework, legacy collection classes, event model, date and time facilities, internationalization, and miscellaneous utility classes (a string tokenizer, a random-number generator, and a bit array).
Package java.lang
Provides classes that are fundamental to the design of the Java programming language.
上面是api文档里的说法。