J2SE 5.0 Language Feature enhancements

Java SE 5 Design Themes 

  • Focus on quality, stability, compatibility 
    • Most Java software now runs over Java SE 5 
  • Support a wide range of application styles 
    • “From desktop to data center” 
  • Big emphasis on scalability 
    • Exploit big heaps, big I/O, big everything 
  • Continue to deliver great new features 
    • Maintaining portability and compatibility 
  • Ease of development 
    • Faster, cheaper, more reliable

Java Language Changes 

  • JDK 1.0 
    • Initial language, very popular 
  • JDK1.1 
    • Inner classes, new event model 
  • JDK 1.2, 1.3 
    • No changes at language level 
  • JDK 1.4 
    • Assertions (minor change) 
  • JDK 5.0 (Java SE 5) 
    • Biggest changes to language since release 1.0

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