Java provides many mechanisms to allow the developer to design and implement a program whose user interface displays different human languages. This involves the selection and processing of user interface elements (including text, images, and audio) according to a language preference.

Java's support for internationalization includes:

• Unicode-based Strings
• A locale mechanism for determine which human language should be used
• Support for text processing
  • collating
  • uppercasing and lowercasing support
  • support for scanning text
• Use of resource bundles

Objectives

• Use the Locale mechanism
• Use various classes in the java.text package
  • Format Class
  • NumberFormat
  • DateFormat
  • MessageFormat
  • BreakIterator
  • Collator
• Use the ResourceBundle, and ListResourceBundle classes to hold locale-specific information (Strings, images, etc.)
• Structure your User Interface so that Strings and other UI elements can be intialized from data in a ResourceBundle

Specifications

• Duration (total): 2 hours
• Duration of Exercises: 45 minutes
• Duration of Lecture: 1 hour - 1 hour 30 minutes

Pre-requisites

If you are building a custom course, you will need to cover these topics before this topic can be presented:

• Inner Classes
• AWT 1.1 Event Handling

• Basic Java knowledge including exception handling, threads, 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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