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Introduction to Java and OOA/OOD for Web Applications Alvin J. Alexander DevDaily.com Copyright 2002 DevDaily.com. All Rights Reserved. Contents Day 1: Object-Oriented Software Development Credits and Other Material Why OO? Benefits of object-oriented programming Symptoms of software development problems Root causes of project failure Software development best practices Introduction to OO concepts Encapsulation Inheritance Polymorphism Abstraction with objects Message passing UML summary Standard diagrams Use Case diagram Class diagram Sequence diagram Collaboration diagram Package diagram State diagram Activity diagram Component diagram Deployment diagram Object Oriented Software Development Why have a process? The Rational Unified Process (RUP) Inception phase Objectives Activities Artifacts Elaboration Purpose Objectives Activities Outcome/Deliverables Other artifacts Construction phase Objectives Activities Deliverables Transition Purpose Objectives Activities A sample process Domain modeling What is a class? Discover classes Build generalization relationships Build associations between classes Mine legacy documentation for domain classes Wrapping up domain modeling Use case modeling Actors Robustness analysis Definitions Key roles of robustness analysis Closer look at object types Performing robustness analysis Interaction modeling Introduction Goals of Interaction Modeling Sequence Diagrams Getting Started Putting Methods on Classes Completing Interaction Modeling Collaboration and State Modeling Introduction Collaboration diagrams State diagrams Activity diagrams Addressing Requirements Introduction Objectives What is a Requirement? Use Cases and Requirements Requirements Traceability Survey of Design Patterns Factory pattern example Agile Methods The Agile Alliance Introduction to Extreme Programming Risk: The Basic Problem Four Variables The Cost of Change Four Values Basic Principles Back to Basics The Solution OO Summary OO Concepts UML Day 2: The Java Programming Language Introduction Chapter objectives Java design goals What is Java? How/where to get Java First Steps with Java Java Commands and Utilities A first application main Variables, constants, and keywords Primitive data types Literals boolean literals char literals Floating-point literals String literals Constants Reserved keywords Arrays Strings String objects StringBuffer class Exercise Exercise Comments and Javadoc Types of comments Javadoc comment tags @see @param @return @exception @deprecated @author @version @since A comment example Notes on Usage Flow control and loops Introduction Objectives Statements and blocks Expressions that can be made into statements Declaration statements if-else switch while and do-while for Labels break continue return No goto Statement Classes and objects Introduction Objectives A Simple Class Fields Access Control and Inheritance Creating Objects Constructors Constructor example Methods Parameter values Using methods to control access this Overloading methods Overriding methods Static members Initialization Blocks Garbage collection and finalize finalize The toString() Method Native Methods Methods and parameters Methods Invoking a Method The this Reference Extending Classes Introduction Objectives An extended class A simple example What protected really means Constructors in extended classes Constructor order dependencies Constructor phases Constructor phase example Overriding methods, hiding fields, and nested classes Overriding The super keyword Marking methods and classes final The object class Object's utility methods Anonymous classes Abstract Classes and methods Cloning objects Three major considerations in writing a clone method Four different attitudes a class can have towards clone Extending classes: how and when Designing a class to be extended Bad effects of public fields Non-final classes have two interfaces Interfaces Introduction Objectives An example interface Nested classes and interfaces Single inheritance versus multiple inheritance Extending Interfaces Name Conflicts Implementing Interfaces Using an Implementation Marker Interfaces When to Use Interfaces Two Important Differences Between Interfaces and Abstract Classes Interface or Abstract Class Exceptions Introduction Objectives Creating exception types throw The throws clause Choices when invoking a method that has a throws clause try, catch, and finally finally When to use exceptions Packages Introduction Package Naming Package Access Package Contents Examples Day 3: Standard Libraries & Server-side Programming Objectives IO: Streams and readers Java networking Introduction Socket ServerSocket ServerSocket lifecycle URL URLConnection Threads Objectives Applications without multiple threads Thread states Creating a threaded class with thread Creating a threaded class with the runnable interface Thread methods Thread references JavaBeans Remote Method Invocation (RMI) Java Native Interface (JNI) Collections framework Lists Maps Collection Utilities Internationalization, localization, and formatting HTTP protocol Request and Response Cookies Servlets and JSPs Objectives Introduction/Background Servlets Objectives Servlet basics HelloWorldServlet Servlet lifecycle HTTPServlet HTTPServletRequest HTTPServletResponse JavaServer Pages What is a JSP? JSP engine/container: Translation time and request time Scriptlets Expressions Declarations Directives page directive taglib directive include directive Implicit objects Exception handling Survey of other server-side Java technologies XML XSLT Enterprise Java Beans Java Messaging Service Day 4: Databases, Best Practices, and Final Project Databases and JDBC Getting things set up Connecting to the database Load the driver Create the connection Statements getXXX methods Updating the database PreparedStatements A real method JUnit Is Testing Important? Mars Orbiter USS Yorktown Types of tests Unit Testing 101 Definitions of unit testing Goals of unit testing? Unit Testing with JUnit How to create unit tests with JUnit A sample JUnit session Recap Best practices Refactoring Final project Bibliography Next: Contents   Contents