Spring Boot + Thymyleaf Project in Java? Example Tutorial

Hello guys, if you are looking for a Spring Boot and Thymyleaf example, tutorial, or a project then you have come to the right place. Thymyleaf is one of the most popular, modern, server-side Java template engine to generate HTML and XHTML content. Earlier, I have shared Spring Boot + Reactjs project, as well a complete project to create Spring Boot + REST and Spring Boot + Microservices and in this tutorial, you will learn about how to create a spring boot and thyme leaf application using the h2 database.  So before moving to an example, let's discuss what is thymyleaf? Thymeleaf is a web application development library based on Java. It offers excellent support for providing XHTML/HTML5 in web applications.

How to use @ResponseBody and @RequestBody in Spring MVC and REST? Example Tutorial

Hello guys, if you are wondering what is @RequestBody and @ResponseBody annotation in Spring MVC and Spring Boot then you have come to the right place. Earlier, I have told you about the @RestController annotation and in this article, I am going to explain to you what is RequestBody and ResponseBody annotation, how to use them, and when to use them with simple examples. While working with REST API, we may need to bind HTTP requests and response bodies with the domain object. To bind this, we use we can use the @ResponseBody and @RequestBody annotations in Spring MVC. 

Top 20 YAML Interview Questions Answer for Developers and DevOps

Hello guys, if you don't know YAML stands for Yet Another Markup Language and its one of the popular language for defining system rules. YAML is used in Spring Integration and most popularly in Ansible for defining Ansible playbook which you can use to install or uninstall application and do other stuff. Because of that reasons YAML has become quite popular and you may be asked about basic questions in YAML if you are going for a Developer or DevOps Interview where YAML skills are required. At the very minimum you should know how to read YAML and how to write YAML, particular declaring list and key-value pair in YAML. It's not a big topic but knowing basic really help during interview.

How to test a Spring Boot application in Java? @SpringBootTest Example

Hello guys, if you are wondering how to test your Java + Spring Boot application then you are at the right place. Earlier, I have shared best Spring Boot Courses and Spring Boot + Microservice example and in this article, I will talk about how to test your Spring boot application, mainly about writing unit test and integration test for Java and Spring boot application. Unit testing and Integration testing are two skills which separates a normal developer from a professional Java developer and when it comes to testing Spring applications many Java developer doesn't really know how to do that. If you are new to Java and Spring development but keen to learn Unit testing both Java and Spring Boot application then you have come to the right place.

Java + Spring Boot + Microservices Example - Step by Step Guide

Hello guys, if you are wondering how to create a Microservice in Java and Spring Boot then you are ar the right place. In the past, I have shared best Spring Boot courses for Microservices, Interview Questions as well as essential Microservice design principles and patterns like circuit breaker, CQRS, Event sourcing etc and In this article, we will cover the fundamentals of microservices with Spring Boot utilizing Spring cloud. We will cover a few fundamental ideas and then we will make a little micro-service to give you an outline. I will also share step by step guide to make Microservices in Java and then deploy them using Docker and Kubernetes on Cloud. 

How to Find Lowest Common Ancestor of a Binary Tree in Java? Example Tutorial

Hello guys, if you are wondering how to find the lowest common ancestor of a binary tree in Java then you are at the right place. Earlier, I have shared 40+ binary tree questions and today I am going to share solution of one of the popular binary tree question here. To find the lowest common ancestor of a binary tree in java requires that we run through a binary search tree and how it operates.  What then is a binary search tree? A Binary tree is a data structure in which each node can have at most two children. That is, each node in the binary tree will have data, left child and right child. The first node of the tree is called the Root.

How to Enable Disable Spring Security in Spring Boot? Example Tutorial

Hello guys, if you are wondering how to enable and disable Spring Security in a Spring Boot based Java application then you have come to the right place. In the past, I have shared best Spring security courses, 25 Spring Security questions, as well multiple Spring security tutorials like how to use HTTP Basic auth in Spring Security etc.  and in this article, I will share multiple ways to enable and disable Spring Security in a Spring boot application. But, before that, if you are new to Spring Security then find out what is Spring Security and how does it work?  At its core, Spring Security is simply a bunch of servlet filters that assist you with adding authentication and authorization to your web application. 

Difference between Binary Tree, Binary Search Tree (BST), and Balanced Tree (AVL and Red Black Tree)?

Hello guys, if you are preparing for technical interview for Software Development job then you must prepare well for Data Structure and Algorithms. It is often the difference between selection and non-selection and when it comes to Data Structure, binary search tree is one of the tough topic to master. In the past, I have shared 100+ data structure questions and 40+ binary tree questions and today, I am going to share one of the popular theory or concept questions related to binary tree data structure.  The Tree data structure is one of the essential data structures, but unfortunately, many programmers don't pay enough attention to learning Trees, particularly advanced tree data structures like balanced trees like AVL and Red-Black tree. 

How to set base URL for REST in Spring Boot? Example Tutorial

Hello guys, if you are wondering how to set base URL for REST API in Spring Boot then you have come to the right place. Earlier, I have shared best REST API Courses for Java developers, REST API Books,  and a complete guide to create RESTful Web service using Spring Boot, in this article, I will show you how to set a base URL in any spring boot application? If you don't know what is a base URL in a REST application or website, let me give you a brief overview first.  A base URL is the continuous element of your REST API or website's address. For example, you'll notice that the address portion http://twitter.com displays in the address bar whenever you log on to your Twitter account or visit a Twitter profile from your computer. This is the primary or base URL.