Java Tutorials

The tutorial describes a way to implement a Web Crawler in Java; a program which crawls through the internet and indexes web pages for later retrieval by a search engine. The focus is on proper concurrency - that is how to process multiple links at the same time using a breadth-first algorithm without running into threading issues. For now, the links are graphed out and displayed, simple indexing will be implemented in subsequent versions.

A 3 part tutorial series covering control statements in Java, aimed at beginners.

Introduces how Java manages and manipulates data, in the form of Objects and Classes. Covers how to create objects and how to manage them, including when they are destroyed. Introduces topics such as Scope and Constructors among others.

Introduces the concepts of Object Oriented Programming, specifically relating to Java and examines and compares Procedural Programming approaches, such as those used by languages such as C and Fortran.

Introduces the useful Javadoc Tool and how it is used to help document classes and packages. Covers the different tags and parameters that help render Javadocs.

Introduces the Public, Private and Protected key words and gives an overview of how they operate as access specifiers. Covers how these keywords are used to access classes and variables in different circumstances and examines their importance.

Covers an introduction to the Java programming language and discusses why we chose Java over other alternatives. Gives an overview of the Java Virtual Machine and a low-level of how the language works.

This is our series of articles covering introductory-level Java and programming topics. Java Article 21: Java Collections - LinkedList

This is our series of articles covering introductory-level Java and programming topics. Java Article 20: Java Collections - ArrayList

This is our series of articles covering introductory-level Java and programming topics. Java Article 19: Intro to Java Collections - Arrays