Java 11 feature and Comparison

Oracle provides new Java versions every six months. Even before it was launched, the September Java 11 version created quite a stir in the computer science industry by announcing that commercial usage of Java would subsequently be charged. The following articles will highlight major JDK 11 features, advancements, and deprecated functionality. Important Changes and Information: Continue Reading »

Performance tuning in Java 

Performance tuning is an essential aspect of software development, especially in enterprise-level applications where performance plays a significant role in user satisfaction and system stability. Java, being a popular programming language for enterprise-level applications, provides many tools and techniques for performance tuning. In this blog, we will discuss performance tuning in Java and the best Continue Reading »

Cucumber: BDD Testing & Collaboration Tools for Teams

Cucumber is a tool that facilitates Behavior-Driven Development (BDD) testing and collaboration among team members. It allows teams to write high-level tests in natural language, which can be understood by both technical and non-technical stakeholders. This blog post will provide an overview of Cucumber, its key features, and how it can benefit teams. What is Continue Reading »

Navigating the Data Lake: Insights from Building and Utilizing Data Lakes

Introduction As someone who has hands-on experience in constructing and leveraging data lakes, I can attest to the transformative power these repositories hold for organizations grappling with vast amounts of data. In this article, I will share practical insights and technologies utilized in building and harnessing the potential of data lakes. Demystifying Data Lakes Data Continue Reading »

Code coverage tools

Code coverage tools are software programs that measure the extent to which a software application’s source code is tested by a test suite. These tools analyze the source code of an application and determine which lines of code are executed during testing and which lines are not. Here are some popular code coverage tools: JaCoCo: Continue Reading »

Ruby on Rails

What is Rails? Rails is a web application development framework written in the Ruby programming language. It aims to simplify web application programming by assuming what every developer needs to get started. It allows you to write less code and do more than many other languages ​​and frameworks. Experienced Rails developers also report that it Continue Reading »

Role of equal() and hashCode Methods()

In Java, HashMap is a widely used data structure that stores elements in key-value pairs. It provides constant-time performance for basic operations like adding, removing, and accessing elements. The implementation of HashMap relies heavily on the equals and hashCode methods, which are used to ensure the uniqueness of keys and the efficiency of lookup operations. Continue Reading »

Generating Java Code from Open API

Introduction:-  Open API (open application programming interface) Open API Generator can generate code based on an Open API yaml specification. We can generate request models, response models, and controllers of API. Following are the steps to create java code from Open API:- Step 1:-Create a yaml file for your API By using this, below Continue Reading »

Closure in Javascript

As per the definition of Javascript Developer, Closure is defined as the combination of a function bundled together (enclosed) with references to its surrounding state (the lexical environment). But what is meant by the terms “enclosed”, “surrounding state“, and lexical environment? No need to worry, we’ll discuss their terms and closure in this article with Continue Reading »


How Liquibase Works? Liquibase is used to track database changes. It is an Open Source Library. We all have worked in systems where the typical database change operation process was to write DDL, and DML scripts in SQL lines which were source-controlled, and database changes were executed by the developer or by some other team. Continue Reading »

Carina Framework

Carina Open Source Testing Tools : Carina is a Java-based test automation framework that unites all testing layers: Mobile applications (web, native, hybrid), WEB applications, REST services, and Databases. Pros ● Carina Framework is built on top of the most popular open-source solutions like Selenium, Appium, and TestNG allowing to reduce dependence on the specific Continue Reading »

Java 8 Features

 Figure 1:Features of Java 8 JAVA 8 is one of the major feature releases of “JAVA programming language” development. It is one of the revolutionary releases of the development of software platforms. The initial version of Java 8 was released on 18 March 2014. It is responsible for upgrading Java programming,  tools, JVM, and libraries. Continue Reading »

Depth First Search (DFS) – Graph Traversal

Table of contents Definition Conceptual Implementation Java Code & Explanation Applications of DFS   Definition Depth First Search (DFS) is an algorithm for traversing Graph Data Structure. The algorithm starts at some arbitrary node in the graph and explores as far as possible along each branch before backtracking. Stack Data structure is needed to keep Continue Reading »

JavaScript Arrays

An array is a linear data structure and collection of items stored at a contiguous memory location. Pairs of square brackets [ ] represent an array and all elements are comma (,) separated. An Array can hold multiple values(elements) of any type i.e (String, Number, Boolean, objects, and even other Arrays ) under a single Continue Reading »