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

Course Length

6-8 hours

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Technical Requirements

Before purchase, please review:

• Macromedia Flash requirements

Additional SW HW Requirements

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Languages

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Format

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Course Features and Services

• Slides
• Synchronized audio provided by an expert instructor
• Printable Study Guide
• Lab reviews, simulations or demonstrations

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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
• Describe enhancements to the Java Virtual Machine (JVM machine)

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
• Lab: Implement Generics

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
• Lab: Use the enhanced for loop to iterate through a collection

Module 4 - Autoboxing and AutoUnboxing

• Describe manual boxing/unboxing and autoboxing/auto-unboxing
• Use autoboxing with generics and the enhanced for loop
• Describe the performance implications of using autoboxing and auto-unboxing
• Lab: Implement autoboxing and auto-unboxing in a sample program

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
• Use enum sets (ranges) and maps
• Lab: Write a simple program using typesafe enums

Module 6 - Varargs

• Describe the issues with variable-argument methods before J2SE platform 5.0
• Use variable argument methods
• Create variable argument methods
• Lab: Rewrite a sample program to use varargs

Module 7 - Static Import

• Describe the purpose of static imports
• Use static imports with constants (static attributes), static methods, and enums
• Describe the drawbacks of using static imports
• Lab: Rewrite a sample program to use static imports

Module 8 - Metadata (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)
• Lab: Use annotations to deprecate a method

Module 9 - Formatted Input/Output

• Use the PrintWriter format and printf methods in the program
• Use the Scanner API
• Use the Scanner API with regular expressions
• Lab: Implement formatted I/O and the Scanner API

Module 10 - Concurrency Features

• 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
• Lab: Implement concurrency features

Module 11 - Networking Enhancements

• Describe the fundamental networking changes in J2SE platform 5.0
• Create a simple inetd service on Solaris Operating System (Solaris OS)
• Create an RMI inetd service on Solaris OS

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