J2SE Platform 5.0 for the Developer: Language Changes (SEM-DTJ-2762)

Who Can Benefit

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Prerequisites

• Understand the fundamentals of the Java programming language
• Understand the principles of object-oriented programming

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Skills Gained

• Understand and identify eight new features in J2SE platform 5.0 including language features and other features

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Related Courses

Before:

• Java Technology for Structured Programmers (SL-265)
• Java Programming Language (SL-275)
• Java Programming Language Bundle (WJB-275)

After:

• Java Programming Language Workshop (SL-285)
• Java Platform Overview for Managers (WJTB-310)

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Course Content

Module 1 - Overview

• Describe the J2SE platform 5.0 language enhancements
• Describe the new tools available in J2SE platform 5.0
• Describe changes to the core libraries

Module 2 - Generics

• Compare and contrast generic and non-generic collections
• Use the generic version of the Collections API
• Use generics with wildcards
• Write generic methods
• Integrate legacy (non-generic) code with generic code

Module 3 - Enhanced for Loop

• Use the enhanced for loop with generics
• Use the enhanced for loop with arrays
• Understand nested iterations with the enhanced for loop

Module 4 - Autoboxing

• Describe manual boxing/unboxing and autoboxing/auto-unboxing
• Use autoboxing with generics and the enhanced for loop

Module 5 - Typesafe Enums

• Describe a common enumerated type pattern before J2SE platform 5.0 and the problems involved
• Create a simple enum
• Create an enum with attributes and constructors
• Create an enum with value-specific methods

Module 6 - The Variable Arguments Feature (Varargs)

• Describe the issues with variable-argument methods before J2SE platform 5.0
• Use variable argument methods
• Create variable argument methods

Module 7 - Static Import

• Describe the purpose of static imports
• Use static imports with constants (static attributes), static methods, and enums

Module 8 - Annotations

• Compare annotations before J2SE platform 5.0 with the new annotations
• Use built-in annotations
• Create your own annotation type
• Use your own annotation type in source code
• Use your own annotation type at runtime
• Describe the Annotation Processing Tool (apt)

Module 9 - Formatted Library

• Use the PrintWriter format and printf methods in the program
• Use the Scanner API
• Use the Scanner API with regular expressions

Module 10 - Concurrency Library

• Compare the concurrency utilities before J2SE platform 5.0 with the new concurrency utilities
• Use an Executor or ExecutorService for thread management
• Use Futures and Callables for asynchronous computation
• Use locks and conditions as an improvement over the wait and notify methods
• Use atomic variables an an improvement over volatile variables

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