Basic Computer Science

A Servlet is a class, which implements the javax.servlet.Servlet interface. However instead of directly implementing the javax.servlet.Servlet interface we extend a class that has implemented the interface like javax.servlet.GenericServlet or javax.servlet.http.HttpServlet. Servlet Exceution This is how a…

Servlets provide a component-based, platform-independent method for building Webbased applications, without the performance limitations of CGI programs. Servlets have access to the entire family of Java APIs, including the JDBC…

You can use JavaScript to create a complex animation having, but not limited to, the following elements − Fireworks Fade Effect Roll-in or Roll-out Page-in or Page-out Object movements You…

Form validation normally used to occur at the server, after the client had entered all the necessary data and then pressed the Submit button. If the data entered by a…

A function is a group of reusable code which can be called anywhere in your program. This eliminates the need of writing the same code again and again. It helps…

JavaScript can be implemented using JavaScript statements that are placed within the <script>... </script> HTML tags in a web page. You can place the <script> tags, containing your JavaScript, anywhere within your web page,…

What is JSON JSON stands for JavaScript Object Notation. JSON is extremely lightweight data-interchange format for data exchange between server and client which is quick and easy to parse and generate. Like XML,…

Introduction to Event Handling ·         Event Handling is a software routine that processes actions, such as keystrokes and mouse movements. ·         It is the receipt of an event at some event handler…

·         Built-in objects are not related to any Window or DOM object model. ·         These objects are used for simple data processing in the JavaScript. Math Object ·         Math object is a built-in…

There are three types of errors in programming: (a) Syntax Errors, (b) Runtime Errors, and (c) Logical Errors. Syntax Errors Syntax errors, also called parsing errors, occur at compile time in traditional…