How to Parse an XML Fragment into a Document Node in Java
Working with XML in Java can be essential in a variety of applications. In many cases, we may need to convert an XML string fragment into a Document node for easier parsing and manipulation of XML...
View ArticleChange Field Value Before Update and Insert in Hibernate
Changing field values before inserting or updating data in a database is a common requirement in many applications. In Hibernate, there are several ways to achieve this, such as customizing the setter...
View ArticleEffective Techniques for Optimizing Java Streams in Your Code
Java Streams offer a powerful and flexible way to process data in a functional style. Introduced in Java 8, Streams simplify operations like filtering, mapping, and reducing data, making your code more...
View ArticleExploring findAny() and anyMatch() in Java Streams
The Java Stream API includes several useful methods, among which findAny() and anyMatch() are two of the most commonly used. Although they serve different functions, both methods adhere to functional...
View ArticleSend POST Request in Apache Camel
Apache Camel is a popular open-source integration framework that simplifies the process of integrating various systems. It provides a flexible and intuitive way to define routing and mediation rules....
View ArticleLast Element Test in Java Array
When working with arrays in Java, there are situations where you may need to check if an element is the last one in the array while iterating over it. This is particularly useful for formatting...
View ArticleHandling Kafka Producer Retries
In distributed messaging systems, such as Apache Kafka, it’s essential to ensure that messages are delivered reliably, even when facing transient failures. Kafka provides a retry mechanism that allows...
View ArticleModular arithmetic operations in Java
In competitive programming, handling large numbers efficiently is crucial. Often, problems require computing results under a certain modulo to avoid overflow and ensure numbers remain manageable. One...
View ArticleMap Iterable to Object with MapStruct
In Java, working with Iterable types like lists are common, but sometimes we need to map a collection of objects (such as a list of entities) to a single non-iterable object (like a DTO or summary...
View ArticleDetect Bugs Code With Spotbugs
SpotBugs is an open-source static code analysis tool for Java that helps developers identify potential bugs and code quality issues within their applications. By analyzing compiled Java bytecode,...
View ArticleHow to Find the Closest Integer to a Target Value in a Java List
In this article, we will explore how to find the closest integer to a given target value in a Java list. This is a common task when working with data sets where matching values as closely as possible...
View ArticleSpring Data DynamicInsert Annotation Example
1. Introduction Spring Data JPA supports common JPA providers, e.g. Hibernate, EclipseLink, etc. Hibernate pre-generates and caches static SQL insert statements that include every mapped column by...
View ArticleHow Java Random Seed Works
Random numbers are important in many areas, like simulations, games, and cryptography. However, these numbers aren’t completely random. Instead, they are created by algorithms that simulate randomness...
View ArticleUnderstanding Mockito Core vs Mockito Inline
Mockito is a popular mocking framework for unit testing in Java, allowing us to create mock objects and define their behaviour. As the framework has evolved, the Mockito community introduced Mockito...
View ArticleHigh Traffic Solutions: Scaling Spring Boot for Millions of Requests
As web applications continue to gain popularity and user engagement rises, the ability to handle high traffic efficiently becomes crucial for businesses. Spring Boot, known for its simplicity and...
View ArticleApplying @ClientBasicAuth in Quarkus REST Client
The Quarkus REST Client makes it easy to consume RESTful services with built-in support for authentication mechanisms like Basic Authentication. One of the annotations Quarkus provides to simplify this...
View ArticleFixing ClassLoader Issues in Java’s Dynamic Loading
Java’s dynamic class loading mechanism allows programs to load classes at runtime, providing flexibility and modularity. However, ClassLoader issues can lead to frustrating errors and unexpected...
View ArticleJakarta Enterprise Edition Migration
Java EE has long served as a foundational platform for developing robust and scalable enterprise applications. With features like dependency injection, transactions, and web services, Java EE has...
View ArticleSpring WebClient Synchronous Requests Example
Spring Framework has evolved to provide a wide variety of ways to interact with external systems, especially through HTTP requests. One of the most popular libraries for making these HTTP calls is the...
View ArticleSpring JPA @Procedure Annotation Example
The @Procedure annotation in Spring Data JPA is used to map a repository method to a stored procedure in the database. Let us delve into understanding Spring JPA @Procedure annotation. 1. Introduction...
View Article