Top 20 Java Coding Interview Questions

In This tutorial, I have tried to provide commonly asked Java coding interview questions and answers. 1) How do you reverse a string in Java using all possible ways? 1)By Using String Buffer In Java, StringBuffer is a class that represents a mutable sequence of characters. This is synchronized and thread-safe hence suitable for string … Read more

The Ultimate List of Java Interview Questions and Answers

This Article on JAVA Interview Questions is intended to help SDET understand the fundamental concepts of Core Java for interview purposes. 1) What is Java? Java is a high-level, object-oriented programming language that helps developers write platform-independent code that can be executed on any platform. 2) What is the difference between JDK, JRE, and JVM? … Read more

Why Do We Need The Jackson API

Use of Jackson API

Jackson API is a high-performance, feature-rich, open-source Java library for processing JSON. It can serialize or map Java objects to JSON and vice-versa. The Jackson Library includes three components: Jackson Databind, Core, and Annotation. Jackson Databind has inner dependencies on Jackson Core and Annotation. Therefore, including Jackson Databind alone as a Maven dependency will include … Read more

How To Use Design Patterns In Test Automation

Design pattern

Design patterns are design-level solutions for recurring problems and are used extensively in programming. Design patterns are like rules and guidelines of best practices as they provide the concept to tackle the problems and design a solution. Although the use of design patterns is optional, However, the knowledge of them and how to use them … Read more