Understanding Java: A Technical Overview

The Essential Java Training Series



1 Day

Course Overview

The Oracle® Java platform has become a primary tool of IT organizations throughout the world. Geared for managers, executives or event developers new to Java, Understanding Java provides a broad overview of what Java is, how it is used, and its strengths and weaknesses. It also includes a broad overview of the Object-Oriented (OO) programming model and how it differs from other programming models.

Course Objectives

 The engaging seminar includes an introduction on the core Java platform and an introduction to its three major components: Java Micro Edition (Java ME), Java Standard Edition (Java SE), and Java Enterprise Edition (JEE / Java EE). It goes on to a broader coverage of JEE and its key components, which have become a driving force in the adoption of Java industry-wide. The workshop will also explore and analyze the challenges that organizations face as they adopt these new technologies.


Working within in an engaging learning environment, guided by our expert team, attendees will discuss and explore:

  • Java’s history
  • Java’s characteristics as a programming language
  • The strengths and weaknesses of Java, and how it compares to other languages
  • The three main Java platforms: Java Micro Edition (Java ME), Java Standard Edition (Java SE), and Java Enterprise Edition (Java EE)
  • Some of the challenges in transitioning to and using Java, JEE, and Object-Oriented programming
  • The business advantages and disadvantages of using Java and JEE
  • The major tools, frameworks, and platforms available for Java and JEE


Course Prerequisites

Geared for managers, executives or event developers new to Java.

Course Agenda

Session: Java – An Introduction


Lesson: The History of Java™

  • History of Java
  • Java Defined – What is it?
  • Java is Designed to Be…
  • Java is Portable


Lesson: Program Lifecycle

  • Lifecycle of a Java Program
  • A Simple Program
  • The Hello World Program
  • Java Bytecode
  • Java is Dynamic: The Runtime Process


Lesson: Features

  • Java is Object-Oriented
  • Java is a Threaded Language
  • Java is Reduces Some Types of Errors
  • The Downside of Java Interoperability
  • Performance
  • Responsibilities of JVM
  • Garbage Collection


Lesson: Java Platforms

  • Java Provides Several Platforms
  • Note on Terminology
  • Java SE
  • Java Software Development Kit (SDK)
  • Java ME
  • Java ME – CLDC
  • Java ME - CDC


Session: Lifecycle Support for Java


Lesson: Evolving the Java Language

  • Evolution of the Formal Language
  • JCP is a Formal Process
  • JSRs Often Evolve into a Specification
  • Open Community Participates in Java
  • Components, Frameworks, and More
  • Apache is not Only Source


Lesson: Documenting Java

  • Documentation and Code Reuse             
  • Java Has a Spec for Specs          
  • JavaDoc Provides Documentation Delivery
  • Example of Top-Level Documentation
  • Documentation at the Package Level
  • Documentation at the Class Level
  • Documentation at the Lowest Level
  • In-Line Comments are Translated…
  • …into HTML Rendering

Lesson: Logging in Java

  • Logging Documents Runtime Events
  • Developers Reused Logging Mechanisms
  • Java Incorporated a Logging API


Lesson: Building, Testing, and Deploying Java

  • Goal: Consistent Build Processes
  • Ant Overview
  • A Snippet of a Sample build.xml
  • Turns Assembly Process into a Script
  • Java’s Network Orientation Led To JAR Files
  • JAR Files Provide Many Options               
  • Building, Deploying, and Now Testing     
  • JUnit Comes From JUnit.org      
  • Can Lead to Fewer Undetected Bugs


Session: The Software Development Process


Lesson: Software Development Overview

  • What is a Software Development Process?
  • Why do we need a process?
  • Real World Perspective
  • The Classical Waterfall Process
  • Civil Engineering vs. Software Dev
  • Discussion: Software Engineering
  • Iterative Process


Lesson: Working Iteratively             

  • What is a Use Case?
  • Use Cases Can be Used For…
  • How are Use Cases Documented?
  • Use Case Diagrams       & Descriptions
  • Iterative and Incremental Development
  • Interactions Have Focus


Session: Java and User Interfaces   


Lesson: Swing/JFC              

  • JFC – Java Foundation Classes
  • JFC – Origins
  • JFC/Swing Terminology
  • Categories of Classes in JFC
  • Top-Level Components of JFC
  • Creating the Frame
  • A Closer Look at Layout Managers
  • BorderLayout is Default
  • Adding Content to a Frame
  • JFC Provides an Event Handling Structure


Lesson: Applets

  • Definition of an Applet
  • Applet Functionality
  • Writing the HTML Page
  • A Simple Applet
  • Applet Lifecycle


Lesson: Fundamentals of Localization

  • Significant Issues for Localization
  • Locales          
  • java.util.ResourceBundle           
  • Examples of Standard Resource Bundle Usage
  • Implementing Localization        
  • Storing Formatted Message Strings


Session: Java and Persistence


Lesson: Serialization          

  • Object Serialization    
  • Storing and Retrieving Objects
  • java.io.Serializable
  • java.io.Externalizable
  • Object Serialization Example
  • Object Deserialization Example
  • Serializing Graphs of Objects


Lesson: JDBC and DataSources

  • What is JDBC?
  • JDBC Design Goals       
  • The JDBC API
  • Database Connection Via JDBC Calls
  • Connecting to the Database
  • Querying the Database
  • Rationale for Connection Pooling
  • Connection Pooling in JDBC
  • Database Connection Using a DataSource


Lesson: JDO Overview

  • Java Data Objects (JDO)
  • Placing JDO in the World
  • JDO Provides an Object Lifecycle
  • Working with JDO
  • JDO Mapping Requires Metadata


Lesson: Hibernate – What and Why?

  • Hibernate Features
  • OR mapping with Hibernate
  • Types of queries in Hibernate
  • Using Queries with Hibernate


Lesson: XML and JAXP

  • What is XML?
  • Benefits of XML - Example XML Document
  • Benefits of XML
  • XML Separates Structure, Content and Format
  • Content: XML is Strict
  • Structure: DTDs or XML Schema
  • Format: XSLT and XSL-FO
  • XML Transformation to HTML
  • Parsers and API’s
  • What is JAXP?
  • Pluggable Layers


Session: Java and Communication


Lesson: Network and Socket Overview

  • Socket Programming Fundamentals
  • Setting Up the Connection
  • Communicating on a Socket
  • Other Java Features Come Into Play

Course Materials

·         TT3340: Integrating Spring 3.x & Hibernate

·         TT3373: Mastering Spring 3.x and the Enterprise 

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