JavaServer Pages (JSP) is a server-side programming technology that allows for the creation of dynamic web pages by embedding Java code in HTML. JSP is different from ASP and is considered an object-oriented programming language. It simplifies development, is portable and efficient, and allows for the separation of content from the page base.
JavaServer Pages (JSP) is a server-side programming technology that enables the creation of dynamic web pages and applications. This is achieved by embedding Java code in HTML, XML, DHTML or other document types. When a client such as a web browser makes a request to the Java application container, which is usually a web server, the static page is converted behind the scenes and displayed as dynamic content for the viewer. It has been speculated that JSP was released to compete with PHP, a commonly used open source programming language.
Although JSP is sometimes associated with Active Server Pages (ASP), they are actually two different technologies. The biggest difference is that ASP is developed by Microsoft® and largely thought of as a framework. This is due to its ability to support a wide variety of programming languages enabled by the Microsoft® Component Object Model (COM). Created by Sun Microsystems®, JSP is considered an object-oriented programming language.
JavaServer Pages technology allows you to insert Java code and select predefined actions in static web page content. This code is compiled at runtime for every request made to the page. The server, Java code, and/or any custom programming that may have been implemented, is controlled by a pre-installed software application known as a virtual machine (VM). This VM integrates with a host operating system. The most common VM used to run JSP applications is the Java Virtual Machine (JVM).
From a technical point of view, JSP can be seen as a high-level abstraction of Java servlets, because they essentially run on top of them. JavaServer Pages are usually compiled by a Java compiler. This compiler generates servlets as Java code or byte code that can be executed directly. Because they are capable of being interpreted as soon as requests are made, the time required to convert a static page into dynamic content is often significantly reduced.
Many programmers prefer JSP because it simplifies development by allowing Java code to be placed directly into standard text files. It is also a portable, cross-platform, and independent language which aligns with the Java motto of “write once, run anywhere”. Boasting the ability to separate content from the page base, the language allows programmers to create new code independently of existing work. JSP is widely considered to be a robust and efficient technology for both the server side and client side aspects of programming.
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