Summary
A lot of Java’s power comes from its packages.
java.lang contains language classes :
- System, String, Number, Math, Number etc.
java.util contains collections and utils :
- Vector, Hashtable, Random, StringTokenizer.
java.net contains network classes :
- URL, URLConnection, HTTPConnection, Socket.
java.io contains stream classes and I/O :
- File, InputStreams, OutputStreams, Stream Tokenizer.
java.awt contains all the Windowing classes :
- Components, Containers, Layouts, Events.