On December 8th, 1998, Java 2 was released. This was a major release. It incorporates new APIs, modifications to existing APIs, and some performance and stability enhancements. Many methods, classes and fields have been deprecated. There are a few potential incompatibilities with Java 1.1 code.

This module covers, at an overview level, the changes made in Java 2. There are no exercises in this module.

Objectives

• Learn (at an overview) the differences between JDK1.1 and JDK2
  • APIs
    • new APIs
    • modifications and enhancements to existing APIs
  • performance and stability enhancements
  • tools
    • new tools
    • modifications/enhancements to existing tools
  • language changes (floating point)
  • several deprecated classes, methods, and fields
  • few potential incompatibilities
  • Other changes
    • CLASSPATH
    • Extensions mechanism
    • Input Method Framework
    • Version Identification
    • Reference Objects

Specifications

• Duration (total): 1 hour - 1.5 hours
• Duration of Exercises: 0
• Duration of Lecture: 1 hour - 1.5 hours

Pre-requisites

Material covered in this section requires attendees to know the following:

• Basic Java knowledge including exception handling, threads, applets, full use of all the language constructs, and familiarity with the core Java 1.1 APIs.
• Those without these pre-requisites should consider one of our Ultimate Java Programming Workshops.

A table of contents of this module is available upon request.

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