Introduction In this tutorial, we will explore how to set up logging in a Spring Boot application using the Elastic Stack, which consists of Elasticsearch for storage, Logstash for processing, and Kibana for visualization. This powerful combination allows for centralized logging, making it easier to monitor and analyze logs from multiple microservices. Prerequisites Java…
1. Introduction Apache Kafka is a distributed event streaming platform that enables you to build real-time streaming applications. In this tutorial, we'll explore how to integrate Kafka with a Spring Boot application. 2. Prerequisites Before you begin, ensure you have the following installed: Java JDK (8 or higher) Apache Kafka (Download from https://kafka.apache.org/downloads) Apache…
This tutorial aims to guide you through the basics of using Mockito in a Spring Boot application. Mockito is a powerful mocking framework for Java, commonly used for testing purposes. We'll cover the fundamentals of setting up a Spring Boot project, creating a simple service, and using Mockito to write effective unit tests. Step…
In this tutorial, we'll walk through the process of creating a Spring Boot project using Gradle as the build tool. Whether you're starting a new project or adding Spring Boot to an existing Gradle project, this tutorial will guide you through the necessary steps to set up your development environment and get your project…
Introduction: Quartz Scheduler is a widely-used open-source library for scheduling and executing tasks in Java applications. It provides powerful features for job scheduling, cron-like expressions, and support for clustering. In this tutorial, we'll explore the basics of Quartz Scheduler and walk through practical examples to demonstrate its capabilities. Prerequisites: Before starting, ensure you have…
Introduction Spring Boot is a popular Java-based framework for building microservices and web applications. OpenFeign is a declarative web service client developed by Netflix for simplifying the process of making HTTP requests. In this tutorial, we'll explore how to integrate and use OpenFeign in a Spring Boot application. Prerequisites Before we start, make sure…
1. Introduction In Java, threads are instances of the Thread class or objects implementing the Runnable interface. A Java program itself is a single thread called the "main" thread. 2. Creating Threads a. Extending the Thread Class b. Implementing the Runnable Interface 3. Thread Lifecycle Threads in Java go through different states, including NEW,…
Introduction In this tutorial, we will explore how to integrate Spring Boot with RabbitMQ, a widely used message broker, to build a scalable and loosely coupled microservices architecture. RabbitMQ enables asynchronous communication between different components of a system, allowing for better scalability, fault tolerance, and flexibility. Prerequisites Before starting the tutorial, make sure you…
Introduction Spring WebClient is a non-blocking, reactive web client introduced in Spring WebFlux. It is designed to perform HTTP requests and consume RESTful services efficiently. In this tutorial, we'll explore the basics of using WebClient in a Spring Boot application with practical examples. Prerequisites Before you begin, make sure you have the following: Java…
Introduction In Java, the Object class is the root class for all classes. Every class in Java is implicitly or explicitly a subclass of Object. It provides some common methods that can be used by all objects in Java. Common Methods in Object Class toString() Method: The toString() method returns a string representation of…