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Interfaces in Java
In Java, a class can have at the most one immediate superclass. Multiple inheritance, where a class has more than one superclass, is not allowed in Java. However, one cannot ignore the importance of multiple inheritance because a large number of real-life applications require the use of multiple inheritance.

Accessing and Manipulating XML Data in Microsoft .NET Framework
The Extensible Markup Language (XML) is a simple, flexible and portable markup language. It is the preferred standard of communication developed by the World Wide Web Consortium (W3C).

Saving PHP Session Data to a Database
As you should be aware the HTTP protocol, as used for serving web pages, is completely stateless. This means that after the server has received a request, processed it and sent a response, the process which dealt with that request dies. Anything that the process had in its memory therefore dies with it, so when a subsequent request is received from the same client it is unable to refer to its memory about anything that happened previously.

Accessing and Manipulating XML Data in Microsoft .NET Framework
The Extensible Markup Language (XML) is a simple, flexible and portable markup language. It is the preferred standard of communication developed by the World Wide Web Consortium (W3C).

How to Handle a Many-to-Many Relationship with PHP and MySQL
This tutorial is intended for those developers who come across the situation where they need to cater for what is known as a 'many-to-many' relationship. It will explain how to generate the database tables to deal with such a relationship, and how to design HTML forms to display and update the contents of these tables.

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