Learn how to secure your REST APIs using Spring Security and JWT in 2025. This updated guide covers best practices and more

Explore various JVM argument prefixes.

A quick tutorial on Java Swing and AWT image collision detection.

Explore multiple solutions for generating a unique Integer from a unique String.

Secure your Java microservices with mutual TLS (mTLS) using Spring Cloud Gateway and Kubernetes. Set up certificate-based authentication

Spring Kafka request reply synchronous: Learn how to implement synchronous request-reply messaging in Spring Kafka.

Learn how to use Spring Boot to enable or disable embedded Tomcat conditionally based on active application profiles.

Java openai api client: Java OpenAI API client enables easy integration of OpenAI’s AI models into applications with simple, efficient calls.

Learn what a Java API is, why it matters, and how to create one with simple examples using Spring Boot to get started with API development.

j2cl introduction: Intro to Java J2CL: Transpile Java to JavaScript and build web apps with native browser support.

Learn how to validate JWTs like a pro with Spring Security OAuth2 Resource Server. Includes configuring JwtDecoder, introspection & more

Explore best practices for hashing and validating passwords in Java using BCrypt, Argon2, and PBKDF2. Includes Spring Security examples

In this article, we'll explore how to implement role-based feature flags in Spring Boot using two popular tools: Unleash and FF4J

Discover the differences between the @Provides annotation and Provider classes in Guice.

Learn how to map nested properties from a POJO with MapStruct.

Explore different ways to replace a specific word in a file with Java IO & NIO packages and Apache Commons.

Learn why using @BasePathAwareController in Spring Data REST breaks hypermedia link builders by omitting the base path and more

Learn how to use LangChain4j to build intelligent LLM agents in Java. This guide covers structured prompt engineering and more

Build intelligent RAG applications in Java using LangChain and MongoDB for real-time, context-aware AI experiences.

Generate valid expression from a string of numbers in Java to reach target using recursion and backtracking techniques effectively.

Learn how to integrate Keycloak with Spring Boot to implement full identity provider support, including single sign-on (SSO) and more