How to use Standard Classes

Standard classes are needed for each applet/application.
  • Extend existing classes: applet
  • Many core elements of java are implemented as class in the java.lang package.
  • Lot's of helpful routines for many purposes are available:
    • Comfortable datatypes
    • IO, URL, net
    • Basic GUI elements
    • 2D graphic primitives (to be extended)
  • Use the API online documentation (HTML file).
  • Search for examples with similar goals.

Java Tutorial - Standard Classes Jens Trapp, 1997