While writing codes we all do various mistakes that lead us to errors like overflow errors and syntax errors. Rounding-off error is one of the common errors that may result in a wrong solution for a given mathematical problem. Generally, this error occurs when we work with floating point numbers. ... Read More

In any programming language, variables serve as a container that is used to store values. Before actually using a variable we need to declare it first. We can’t give any random names or symbols to it, although Java provides almost all the letters and symbols available for human and machine ... Read More

Swing is a framework of Java that is used to develop window based applications. It provides a rich variety of GUI (Graphical User Interface) components that are lightweight and platform independent. Some of the classes of GUI components are JLable, JButton, JFrame, JCheckBox and so forth. In this article, we ... Read More

Servlets are small java modules that are used on server side of a web connection to enhance the functionality of web server. All the methods and classes for creating a servlet are available in ‘javax.servlet’ and ‘javax.servlet.http’ packages. Hence, it is important to import them into your program before working ... Read More

Separators are one of the building blocks of a Java program that helps us to differentiate the regions of the block of code and arrange groups of codes or statements. They help us in defining scopes of particular variables and methods. Have you ever missed a bracket while defining a ... Read More

Java provides a variety of sorting algorithms and methods that can help us to sort arrays, lists or any collections. The comparable interface is an additional way that is useful when we want to sort custom objects by their natural ordering. For example, It sorts strings in dictionary order and ... Read More

Java provides a variety of sorting algorithms and methods that can help us to sort arrays, lists or any collections. The comparable interface is an additional way that is useful when we want to sort custom objects by their natural ordering. For example, it sorts strings in dictionary order and ... Read More

Array is a linear data structure that is used to store a group of elements with similar datatypes. It stores data in a sequential manner. Once we create an array we can’t change its size i.e. it is of fixed length. Suppose we have a 2D array of order M ... Read More

Array is a linear data structure that is used to store a group of elements with similar datatypes. It stores data in a sequential manner. Once we create an array we can’t change its size i.e. it is of fixed length. The problem statement states that for a given array ... Read More

Spring and Struts are the two most famous Java Web Frameworks available nowadays. They serve to build web applications through Java programming language. To work with these frameworks one needs to have a strong background and understanding of Java. The features and capabilities of both frameworks make it difficult to ... Read More