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RAD Java Primer - 3 Days

This course is designed for the novice developer or those with little or no experience of Java who require an introduction to the Java language using the Rational Application Developer IDE.

Pre-requisites

The student should be familiar with the Windows host environment. Knowledge of any programming language is advantageous but not essential.

Course Objectives

This course provides students with the skills to write simple Java programs. The syntax of the language is covered in detail and also Object Oriented coding techniques are discussed.

During the course the student will write many applications to ensure that the concepts and statements taught are fully understood and practical experience is gained.

The course is taught using IBMs Rational Application Developer (RAD) IDE. The skills needed to use this software are presented as part of the course.

On completion of this course the student will be able to:

• use the major concepts of a modern, block-structured, high-level language, such as control flow, function calls and modular programming
• structure programs using classes and other essential object-oriented features
• create, test and debug simple Java code using the RAD Integrated Development Environment (IDE)

Course Details

INTRODUCTION TO JAVA

What is Java?
The Java Programming Language
The Java Platform, Java installation - Path requirements

What Can Java Do?
Overview of the many subjects covered by Java
Advantages of using Java

Introduction to RAD
A tour of the Workbench
The Java Perspective, Creating a java project
Running Simple Applications

A simple first example - The "Hello World" Application

OBJECT-ORIENTED CONCEPTS

An introduction to Objects
What is an Object?, Encapsulation

Communicating between objects
What are Messages?, the benefits of Messages

Classes
What are Classes?, Objects vs. Classes, instantiation, the benefits of Classes

Inheritance
What is Inheritance?, the benefits of Inheritance

THE JAVA LANGUAGE

Variables
Usage Types, Data Types, Literal Values, Naming Standards, Scope, Initialisation, Constants, Escape Characters

Arrays & Multi-Dimentional Arrays

Strings
Strings are objects!, Concatenation, Testing for String equality, Manipulation

Operators
Arithmetic, Unary, Relational, Conditional, Bitwise, Assignment, Expressions

Primitive Casting & Data Type Conversion

Control Flow Statements
if-else, switch, For, While, Do-while, break and continue, Labeled Loops

The return Statement

Passing Arguments to JAVA Programs

OBJECTS, METHODS AND CLASSES

Introduction to Classes and Objects
Methods, Applications & Object Code

Creating & Manipulating Objects, Calling Methods, Passing Arguments and Method Overloading, Returning Values from Methods

Constructors, Static Code

Inheritance - Extending a Class
What does a Subclass Inherit?

PACKAGES

Packages, Using Package Members, Importing

THE RAD DEVELOPMENT ENVIRONMENT

The Workbench
Perspectives, Views, Toolbars, Editors
Importing and exporting, Searching
Rearranging Views, Fast Views

Working With Java
Working with buildpaths and classpaths
Fixing Problems, Creating new Classes and Interfaces

The Java Editor
Editing code and elements, Content/Code Assist, Code Formatter
Managing Imports, Local History, Refactoring

Other Views
The Type Hierarchy, Using the Outline View

Running and Debugging apps

ACCESSIBILITY MODIFIERS

Public or Private?!
Declaration Parameters
Class, Variable , Method

CASTING AND DATA CONVERSION

Literal Values, Implicit & Explicit Casting, Casting With Operators
Casting Objects, Narrowing & Widening

CONVERSION, FORMATTING AND PRECISION

Data Type Conversion, Wrapper Classes
Decimal Precision (BigDecimal)
Numeric Formatting, Date Formatting

RAD REFERENCE

Perspectives, Views, Toolbars, Editors
Tasks, Markers and Bookmarks
Importing and exporting, Searching
Rearranging Views, Fast Views
Comparing Files, Local History

Course Format

Practical sessions make up a large part of the course, allowing delegates to demonstrate and reinforce the lectures given. During these sessions the delegate will build a simple but complete application.

Examples are used extensively, ranging from simple code snippets to full applications with complete ‘real world’ functionality. These are supplied at the start of the course and it is encouraged that the delegates execute and ‘experiment’ with these under the instructor’s guidance as they are introduced.

These examples are available to take away, along with the delegate’s own work.

The comprehensive Student Guide supplied is fully indexed serving as a useful reference tool long after the course has finished. Delegates will also be able to access a free help-line with technical questions relating to topics covered on the course.

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