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The 5.0 release of the Java Standard Edition (J2SE) adds a number of major and minor new language features.  This seminar explains all new language features, including traps and pitfalls, and provides hands-on labs for getting acquainted with the new syntax and programming techniques.

Java Generics
The most significant addition to the Java 5.0 programming language are generic types and methods.  In this tutorial, we will take an in-depth look into the new language feature, how it will help us improve our programs, how it is supposed to be used and where its limitations are. 
More specifically, we will discuss the additions made to the language itself (generic and parameterized types and generic methods), changes to the platform libraries (generic collections and extended reflection) and various challenging details of generics such as the properties of type parameters (their bounds and their scope), generic methods and type parameters inference, wildcards (their meaning and purpose), the translation of generics into bytecode by means of type erasure, its impact on the Java type system, and various, often perplexing side-effects of type erasure.

Enums, Autoboxing, etc.
Some smaller additions to the programming language comprise syntax for enumeration types, an enhanced for-loop, static imports, autoboxing, and variable argument lists. 
Among them the enumerations type is probably the most widely used of these minor new language features, because enumeration types are fairly common in practice. An enumeration type represents a set of related symbolic constants. Enumeration types in Java can be very powerful and flexible, but come with a couple of pitfalls in conjunction with initialization of static fields.

Annotations
Another novelty in Java 5.0 is the metadata facility that allows to annotate Java program elements and to create custom annotation types. Development and deployment tools can then read annotated data (also known as metadata) and process it in some fashion. Tools and frameworks, such as JUnit or EJB, define and process annotations for various purposes, but annotations can equally well be used for building self-made utilities based on annotations.
The tutorial discusses the language features for definition and use of annotations and demonstrates their processing in a hands-on lab using the annotation processor tool apt .

This is a course for Java programmers who want to explore new language features added to the Java programming language with release 5.0 of the J2SE. The course is designed to build on existing expertise as Java programmers and take your skills one step further. Prerequisite for these seminars is at least 1 year of experience with Java or equivalent knowledge. 

OBJECTIVES

	Learn how to use generics effectively
	Know what to expect of Java generics
	Know how to use programm annotations
	Understand novel Java idioms

The course is designed by Klaus Kreft & Angelika Langer and backed by years of experience in teaching  Java and C++ related topics and more than a decade of real-world experience in industrial software development both in C++ and Java.

Angelika Langer is a freelance trainer/mentor in the area of object-oriented software development in C++ and Java. She is a recognized author and speaker at conferences worldwide and author of the Java Generics FAQ .

Klaus Kreft is a senior consultant for more than 20 years and has served as the lead architect on several successful industry projects. He has been working in C++ for many year and works in Java since 1995. He is a regular speaker at OO conferences in Germany.

Together they wrote columns for C+ Report and C/C++ Users Journal,  are authors of the  book "Standard C++ IOStreams and Locales". They  publish articles on C++ and Java topics in various computer magazines worldwide, including the column "Effective Java" in the German JavaSpektrum magazine. 

• Enumeration Types
• Autoboxing
• Enhanced for-Loop
• Variable Arguments Lists
• Static Import

• Generic Types and Methods
• Wildcards
• Type Erasure
• Use of Type Variables
• Use of Parameterized Types
• Automatic Type Inference
• Overriding of Generic Methods
• Generics and Reflection

• Definition of Annotation Types
• Annotating Java Source Code Elements
• Standard and Meta-Annotations
• Processing Annotations