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Software components are to software what integrated circuits (ICs) are to electronics: " black boxes " that encapsulate functionality and provide services based on a specification. Software reusability has long been a holy grail of software engineering and a major goal of object-oriented programming. Software components are designed to be reusable, even interchangeable. JavaBeans are reusable software components for Java that can be manipulated visually in a builder tool.Practically, they are classes written in the Java programming language conforming to a particular convention. They are used to encapsulate many objects into a single object (the bean), so that the bean can be passed around rather than the individual objects. Java Bean A Java Bean is a java class that should follow following conventions: It should have a no-arg constructor. It should be Serializable. It should provide methods to set and get the values of the properties, known as getter ...

PHP can be considered more as a revolution in the web development arena. Beginning with scripting of simple web pages, PHP today has evolved into a language that powers almost 60% of the web . Well, it has been extensively modified to develop frameworks and content management systems to ease the tasks of developers. Essentially, frameworks have some pre-coded functionalities that developers require on a regular basis and content management systems are built with the end user in mind. We assume that Core PHP means solving a Mathematical problem by using paper and pen. Frame work means solving Mathematical problem by using a calculator. Core PHP-Solving Mathematical Problem Only some students can achieve results by using paper and pen as same as in PHP. Only a few of the developers can write the code in an easy way and reliable format. Core PHP uses the PHP script in its purest form . A developer needs to know the language thoroughly in order to write a clear and co...