Load Testing Java Applications: An In-Depth Guide to Apache JMeter
In today’s fast-paced digital environment, ensuring that your Java applications can handle a variety of load conditions is critical. Load testing allows you to evaluate how an application performs...
View ArticleHow to Convert JDBC ResultSet Data to CSV in Java
When working with JDBC (Java Database Connectivity) to retrieve data from a database, you may sometimes need to export the result of a query into a CSV file for further analysis or reporting. CSV...
View ArticleExporting JDBC ResultSet Data to Excel with Apache POI
Apache POI is a powerful library for reading and writing Microsoft Office files, including Excel. Writing JDBC ResultSet data to an Excel file is a common task for generating reports or exporting...
View ArticleModern Java Testing Frameworks: Exploring JUnit 5, Mockito, and AssertJ
Testing is a crucial aspect of software development that ensures code reliability and functionality. In Java, several powerful testing frameworks have emerged to make the process easier and more...
View ArticleMastering Mockito Annotations: Simplify Your Unit Test Setup
Unit testing is an integral part of software development, ensuring that individual components function as intended. Mockito, a powerful Java mocking framework, helps developers create and manage mock...
View ArticleCreate a Database Schema Automatically with Spring Boot
Spring Boot integrates effortlessly with JPA, simplifying the implementation of the data access layer in our applications. One of its features is the ability to automatically generate and manage...
View ArticleJava Platform Module System: Benefits and Use Cases
With the introduction of the Java Platform Module System (JPMS) in Java 9, Java took a significant step toward better modularity, enhanced security, and improved performance. JPMS offers developers...
View ArticleMastering Spring Cloud: Building Robust Microservices Architectures
Microservices architecture has revolutionized the way we build large-scale, distributed systems. Spring Cloud provides a comprehensive framework to simplify the development of such architectures,...
View ArticleReduce Memory Footprint in Java
Memory optimization in Java applications is critical for improving performance and reducing costs, especially in cloud environments. By carefully managing resources, minimizing unused memory, and...
View ArticleJava JSch Read Remote File
In the world of modern software development, secure communication with remote servers is a critical requirement. Whether it’s managing files, executing commands, or fetching data, the need for a...
View ArticleMastering Mockito Argument Captors
When writing unit tests, ensuring your mocked methods receive the expected arguments is crucial for verifying the behavior of your code. This is where Mockito’s ArgumentCaptor shines. It allows you to...
View ArticleSpring AI MongoDB RAG Example
The Spring AI MongoDB RAG Tutorial offers a comprehensive guide to building a Retrieval-Augmented Generation (RAG) application using Spring Boot, MongoDB Atlas, and an AI language model. This tutorial...
View ArticleResolving Attribute Naming Issues in Spring JPA
Spring JPA simplifies working with relational databases using the Java Persistence API (JPA), making mapping Java objects to database tables easier. However, issues can arise when entity field names do...
View ArticleMocking HTTP Requests with Mockito
When testing RESTful services, it’s essential to validate how HTTP requests are handled and ensure responses are accurate. Mockito, combined with testing tools like RestTemplate or MockMvc, makes this...
View ArticleFind Leftmost Index Of Duplicate Element In A Java Array
Handling duplicates in arrays is a common problem in programming, often needed for tasks like data validation or optimization. This article explores how to find the index of the first duplicate element...
View ArticleCalculating the Sum of First N Even Numbers Divisible by 3 in Java
In this article, we’ll explore how to calculate the sum of the first N even numbers that are divisible by 3 in Java. We will start by providing a solution using a simple for loop, and then we’ll...
View ArticleCompletableFuture vs. Future in Java
Asynchronous programming is essential in modern Java applications for tasks like I/O operations, web service calls, or background computations. Java provides tools to handle asynchronous tasks, with...
View ArticleRound Robin Load Balancer in Java Using AtomicInteger
Load balancing is an essential technique in distributed systems to evenly distribute requests among multiple servers. Round Robin is one of the simplest among the many load-balancing algorithms. It...
View ArticleAssert Collection of JSON Objects Ignoring Order Example
1. Introduction JavaScript Object Notation (JSON) is a text-based format for storing and transporting data. In this example, I will demonstrate JSON array equality ignore order with both Jackson and...
View ArticleSpring Boot vs. Jakarta EE: Choosing the Right Framework for Your Java...
When building enterprise-level Java applications, choosing the right framework can be crucial for your project’s success. Two of the most popular frameworks for building Java-based enterprise...
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