Labels:dialog box | monitor | sky | web site | window OCR: Object- Oriented Programming Packages A set of related classes and interfaces Package Unit of Program Development Each package named Dot notation: com sun java games First line in a file should be package missing? "unnamed" package Important Packages: java lang Essential classes; always imported automa tically java Basic 1/0 (files and char racter streams) java util Data structure classes java awt Abstract Windowing Toolkit (user interface classes) java net Socke ts TCP and URL classes java applet Running Java progr sue. over and internet browsers HArTT Porter 2001 alwavs impor ically character inter face Rurning programs HarTy
