What Java Is

• Java is a fully Object Oriented programming language.
  • It is not possible to write procedural code in Java!
  • Very strong typing
  • No pointers, and arrays are bounds checked
  • Exceptions cannot be ignored
  • It is not backwards compatible with C or C++
  
  
• Java has Class packages for everything you need:
  • lang - Strings, Threads, Security etc.
  • io - Files and Streams
  • awt - the "Abstract Windowing Toolkit"
  • net - TCP/IP sockets made incredibly simple
  • applet - For embedding programs in Web pages
  • util - Everything else!