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Basic JavaBeans are nothing but POJOs. Before discussing about JavaBeans; let’s have a quick look at POJOs. POJO (Plain Old Java Object) is a term used to indicate that it is not a special Java object (not developed using any framework or any other technology); rather it is an ordinary plain simple Java object. The term POJO […]
We have discussed JSP scripting elements and directive elements in our previous articles. In this article, we are going to discuss JSP Action elements. Action elements in JSP are another type of syntactic element; translated into Java code that performs an operation. The web server processes these action elements when processing a client’s HTTP request. […]
We know that Java is used to develop cross-platform applications and we can use Java in almost all types of electronic devices. The standard Java-based applications are used on individual systems; we need to install the standard application on each system from where we want to use the application. Web applications are different; they will […]
We know that every JSP page turned into an equivalent Servlet. Every JSP equivalent Servlet must be extended from HttpJspBase class. HttpJspBase class is an abstract class with all implicit objects are defined. Those implicit objects are called JSP implicit objects. Because objects’ names are already defined, we have to use them as it is. In […]
There are three types of elements in JSP; Directive elements, Scripting elements, and Action elements. In this article, we are going to discuss the Directive elements in JSP and their attributes. JSP directives are used to add or remove some behavior; like making the current page an error page, setting the content type, adding buffering […]
We can use JSP pages to write presentation logic to separate the business logic from presentation layer. Once the JSP page is requested; web-server translates into a Servlet and Servlet will insert the business logic wherever required. To write the presentation logic in JSP we need JSP elements. In this article I am going to discuss […]
Java Annotations (or metadata) are introduced in Java (Java SE5 and above) to give additional information to the Java compiler about your Java program. But these are not actually part of the Java code. Annotations are only for representing metadata information. Then what is the use of using Annotations? Java Annotations are used to generate […]
Before you read this article, I recommend reading our previous Article “XML: An Introduction” where we have discussed XML. XML files also look like, HTML pages. Web browsers translate these HTML pages to render the content provided in the HTML. In this article, we take a look at XML structure, what is DTD and how […]
XML – eXtensible Markup Language is pretty famous standard and widely used for exchanging data over the network. In this article we are going to discuss about XML standard and it’s history. Before discussing about XML standard let’s have a brief look into it’s history. History of XML In earlier days, especially when the Internet […]
