Articles

  1. How to Use Java Optional to Avoid NullPointerException in Real CodeA NullPointerException often appears far from the mistake that caused it. A repository returns no customer, a JSON field is missing, or an external API omits a…
  2. Building a Java email service with Spring Mail and ThymeleafEmail remains one of the most reliable channels for transactional communication, from order confirmations to password resets. For Java developers working…
  3. Spring Boot and Redis distributed caching integration guideFor backend developers building Java services, response time often becomes the bottleneck once user traffic scales past a few thousand requests per minute. A…
  4. Using Lombok to Reduce Boilerplate in Java Entity ClassesJava entity classes often begin with a few fields and quickly grow into lengthy files filled with getters, setters, constructors, and utility methods. Lombok…
  5. Creating Scheduled Tasks With Spring BootScheduled jobs are a practical way to automate recurring work in a Java application. They can refresh exchange rates, remove expired records, send reminders,…
  6. Java Memory Management and Garbage Collection Tuning GuideJava applications power much of Australia's digital backbone, from the trading platforms of Sydney's financial district to the logistics systems that keep…
  7. Building a REST client in Java with Spring RestTemplate and WebClientSpring offers two popular approaches for consuming external APIs: the traditional, blocking RestTemplate and the newer, reactive WebClient. Both can be wired…
  8. How to Test Spring Boot Controllers with MockMvc and AssertJController tests verify the boundary between HTTP clients and your Spring Boot application. They check request mappings, status codes, headers, validation,…
  9. Streamlining database access with Spring JdbcTemplate beyond JPASpring's JdbcTemplate is one of those quiet workhorses many Java teams overlook once they adopt JPA. Across Australian software houses, from fintech startups…
  10. Implementing CQRS in Spring Boot with Axon FrameworkMost Java teams in Sydney and Melbourne eventually hit the same wall. A monolithic service handling every read and write becomes a tangled web of conditional…