Getting Started with Jakarta Faces
Jakarta Faces, formerly known as JavaServer Faces (JSF), is a powerful framework for building user interfaces for Java web applications. It simplifies the development process by providing a...
View ArticleJava Streams: 5 Powerful Techniques You Might Not Know
Java Streams have revolutionized how developers process collections in Java 8 and beyond. They offer a concise, functional approach that improves code readability and maintainability. While you might...
View ArticleMemory-Friendly File Reading in Java
Java offers powerful tools for working with files. But when dealing with massive files, traditional methods can quickly run into memory limitations. This can lead to program crashes and hinder...
View ArticleJVM Tuning vs. Java Optimization: Boosting Java Performance
In improving Java performance, two crucial strategies stand out: JVM tuning and Java optimization. While both aim to improve the efficiency and speed of Java applications, they operate at different...
View ArticleJava Patterns, Singleton: Cons & Pros
Singleton, a creational design pattern introduced by the Gang of Four in 1994, faces criticism for its frequent misuse due to its straightforward implementation. Consequently, it has evolved into an...
View ArticleBuilding Clean API Responses with Spring Boot
In the realm of Spring Boot applications, well-designed APIs are the lifeblood of communication. They serve as the bridges between your application and the outside world, exchanging data and...
View ArticleFind the Square Root of BigInteger In Java
In Java, BigInteger is a class that enables the representation of arbitrarily large integers. It offers operations for arithmetic, comparison, and bit manipulation on integers beyond the range of...
View ArticlePartitioning a Stream in Java
Java Streams is a powerful abstraction for processing collections. Often, we need to divide a stream into smaller chunks for further manipulation. This article explores various techniques to partition...
View ArticleSpring Boot CommandLineRunner Example
Spring Command Runner is an interface in the Spring Framework that allows developers to execute code upon the startup of a Spring application. Let us delve into a practical example of Spring Boot...
View ArticleTest Repository with @DataJpaTest and JUnit
1. Introduction In today’s software development landscape, ensuring the reliability and correctness of applications is paramount. Testing plays a crucial role in achieving these goals, particularly in...
View ArticleSpring Data REST: Build RESTful APIs in Minutes
In the fast-paced world of web development, efficiency is king. Building robust and secure RESTful APIs can often feel like a time-consuming endeavor, requiring meticulous controller and service...
View ArticleSpringRunner vs. SpringBootTest
Testing is essential for all applications, encompassing both unit and integration tests. The cornerstone for conducting integration tests lies in classes like SpringRunner and SpringBootTest. Let’s...
View ArticleRemove Only Trailing Whitespace From a String in Java
In programming, handling whitespace characters within strings often requires careful manipulation, especially when dealing with leading or trailing spaces. Trailing spaces refer to whitespace...
View Article@Transactional in Spring: Don’t Get Caught in These Traps
Transactions are a fundamental concept in database management, ensuring data consistency across multiple database operations. Spring provides the @Transactional annotation to simplify transaction...
View ArticleRetrieving First n Characters in a String in Java
When working with strings in Java, there are different ways to extract the first n characters efficiently. This article will explore achieving this using standard JDK methods and then showcase...
View ArticleSpy vs SpyBean In Spring
Distinguishing between @Spy and @SpyBean involves understanding their functions and knowing when to use each. By gaining a comprehensive understanding of these tools, developers can optimize their...
View ArticleThe Future of Async in Java: CompletableFuture vs Virtual Threads
Asynchronous programming is a cornerstone of modern Java applications, allowing them to handle tasks without blocking the main thread. But with Java 21 comes a new challenger: virtual threads. These...
View ArticleUsing Spring Data JPA Repository for Database Views
When developing applications, it is common to work with database views alongside traditional tables to simplify complex data operations. Spring Data JPA in the Spring ecosystem, can seamlessly...
View ArticleSpring Boot ServiceConnection Example
Spring Boot, a popular Java framework, simplifies the process of building robust and scalable applications. In many applications, connecting to external services, such as databases, APIs, or messaging...
View ArticleSpring Bean Naming
In the Spring framework, each bean must possess a name that is unique within its containing ApplicationContext. Spring employs straightforward and default naming conventions to assign names to beans,...
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