MSIS 655Advanced Business Applications

Programming

Week 1Introduction to Java

1.1.111.1.11

IntroductionObject-Oriented Programming

OOP is more than learning a new language; it requires a new way of thinking. We must no longer think in terms of data structures - we must think in terms of objects.

Many languages claim to have "Support for Object Technologies!"

1.1.221.1.22

1.1.33

Java

The JavaTM programming language is designed to meet the challenges of application development in the context of heterogeneous, network-wide distributed environments.

1.1.44

Different Kinds of Java

Java Applications

Java Applets

JavaScript

JavaServer Pages

Java Servlet technology

JavaBeans

1.1.55

How Java application works

1.1.66

Object

An object is a software bundle of variables and related methods.

Attribute (State) and Behavior (Method)

Message

Class

2.2.7706/05/2002

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The Class Declaration

1.1.99

Class Body

Constructor

Declarations for the Variables

Methods to implement the behavior

1.1.1010

Declaring Member Variables A class's state is represented by its member variables.

You declare a class's member variables in the body of the class.

1.1.1111

Implementing Methods

1.1.1212

Understanding Instance and Class Members

By default, unless otherwise specified, a member declared within a class is an instance member.

To specify that a member variable is a class variable, use the static keyword.

1.1.1313

Lab Activities (Week 1)

Tutorial 1 (Java Application)

Tutorial 3 (JCreator LE) - Assignment