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Introduction to Computer Science Using Java

Introduction to Computer Science Using Java

This is a beginning course in computer science using Java. No experience with using Java is assumed. This online course with exercises will teach you quite a lot about Java. You should also get familiar with the programs and running them, as discussed in chapter 7. You will obtain a better grasp and understanding of Java by attempting to write programs on your own and also going through the suggested programming exercises for each chapter. This online course has been used successfully by beginning programmers and by experienced programmers who wanted to learn Java. Some people have used it as a review for Java certification.

This online course assumes you have the Java Software Development Kit (SDK) version 1.1 or later from Sun and a simple text editor such as NotePad. For help with setting up and running the Java SDK look at this page (Essentials of the Java Programming Language, Lesson 1: Compiling and Running A Simple Program), this page (Java 2 SDK Standard Edition Documentation), and also here. You can also use more sophisticated environments, as well. For more information please check the frequently asked questions.

Part 1: Hardware and Software

Part 1 consists of general computer science topics but does not say much about Java. Topics include a general discussion of hardware and software, the nature of analog and binary signals, machine language and high level languages, language translation and interpretation. Readers who already know these topics can skip to Part 2, where Java instruction begins.

Part 2: Running Java Programs

Part 2 explains how to run Java programs. First, it discusses translating Java source code into bytecodes. Then it discusses how bytecodes are interpreted. All readers should look at this section. Next the notes explain how to create a Java program with the Windows Notepad editor and how to run it using the Java Development Kit.

Part 3: Java Programming

Part 3 contains notes on how to program in Java. It assumes you know how to run the programs once you have written them. The notes are written so they can be used with any Java development environment.

Part 4: Object Oriented Programming

Part 4 contains notes on Object Oriented programming in Java. It starts with a general introduction to the concept of software objects, and then moves on to how these concepts are implemented in Java.

Part 5: Applets and Graphics

Part 6: More Java Programming Features

This section discusses additional features of Java, such as additional language features for incrementing and decrementing variables, convenient ways to create loops, and arrays.

Part 7: Advanced Object Oriented Programming

This section discusses advanced features of object oriented programming that will be needed for programming graphical user interfaces.

Part 8: Graphical User Interface Programming

This section tells you how to program graphical user interfaces using the Java 1.1 Abstract Windowing Toolkit (AWT).


Part 9: Exceptions and IO Streams

This section discusses how Java handles errors through its Exception mechanism. Then it discusses input and output with disk files and other data streams.




These zip files contains the material as of June 30, 2000. This is much the same as the current on-line version. The first file contains everything.





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