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    • Constructors that Allocate Memory Dynamically

      Constructors that Allocate Memory Dynamically

      Constructors can be used to initialize member objects as well as allocate memory. This can allow an object to use only that amount of memory that is required immediately. This memory allocation at run-time is also known as dynamic memory allocation. The new operator is used for this purpose. Sample Program The program below shows

    • Java vs. JavaScript

      Java vs. JavaScript

      Java and JavaScript are two different programming languages meant for different purposes and functionality. Java is an application programming language designed to write stand-alone Java programs and web applications running on the Internet. JavaScript is a client-side scripting language specifically designed to work with various web technologies, but on the client’s end. To understand the

    • Type Conversion – Class to Class

      Type Conversion – Class to Class

      Now that we have understood how to convert basic data types to class types and vice-versa, it is time to learn how to convert objects of one class type to another class type. The conversion between objects of different classes can be done using either a one-argument constructor or a conversion function. The choice depends

    • Uninstall Java

      Uninstall Java

      Computer users sometimes need to uninstall Java, for various reasons. In case of upgrading Java, you needn’t remove the previous version of Java. Instead, you can simply run the executable of the newer Java version and the upgrade will automatically happen. However if you wish to uninstall Java, below are the methods for different platforms.

    • Object

      Object

      A Java object is basically a set of data, data structures, and methods combined together to form a single entity. An object is an instance of class. Therefore, a class is said to be a blueprint of an object. Every object instantiated from a class will contain its own copy of member variables and member

    • Deleting an Element from a Linear Linked List

      Deleting an Element from a Linear Linked List

      To delete an element from the list, first the pointers are set properly and then the memory occupied by the node to be deleted is deallocated (freed). This tutorial covers the deletion of a node from the following three positions: At the beginning of the list At the end of the list After a given

    • Change TextBox Width with JQuery on Focus and Blur

      Let’s see how can we change the width of any HTML TextBox using JQuery on occurrence of following 2 actions: Focus and Blur. Focus is when you click anywhere inside a TextBox and Blur is when a TextBox isn’t active or focused. Prerequisite: JQuery Library should already be included in the page. Consider we have

    • Breadth First Search Algorithm

      Breadth First Search Algorithm

      A breadth first search traversal method, visits all the successors of a visited node before visiting any successor of any of its child nodes. This is a contradiction to depth first traversal method; which visits the successor of a visited node before visiting any of its brothers, i.e., children of the same parent. A depth

    • Java Package

      Java Package

      A Java package is a set of classes which are grouped together. This grouping helps to organize Java classes and codevent multiple Java classes with the same name. Using Java Packages To use a package in your Java source code, you must either import the package or use the fully qualified class name each time

    • SDLC Methodology

      SDLC Methodology

      SDLC (Systems Development Life Cycle) is the process of creating or modifying existing systems and the models and methodologies that are used in the process. In the fields of software engineering and information systems, SDLC denotes a framework of methodologies aimed at the creation of an information/software system, i.e. the software development process. SDLC covers

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