#JavaDev

Adding Request Logging to Spring Boot APIs #java #javaprogramming #javadev #dormosheio

💡 Java 14+ switch expressions are exhaustive: the compiler verifies that every possible value is handled. ✅ Miss an enum constant and compilation fails ✅ Fix it by covering all enum values or adding a default branch ✅ Safer refactors and fewer hidden bugs #Java #JavaDev

#Java Coding Best Practices for High-Performance Applications #javaprogramming #javadev #dormosheio #webdev #programming #beginners #bestpractices

🚀 JUnit 5 Tip 🚀 Since JUnit 5, leverage package-private visibility for classes and methods to enhance encapsulation in your tests. This helps keep your testing logic close to the code it's testing while maintaining a clean and organized codebase. #JUnit #Testing #JavaDev

🚀 Java: With CompletableFuture.allOf(...) you can wait on multiple async tasks without manual join handling. #Java #JavaDev

🚀 Spring Boot: To make your services return a paginated response, instead of a giant list, you can use Page<T> and Pageable. #SpringBoot #JavaDev 🧵A link to an example to follow:

Authentication and authorization with Spring-Boot #java #javaprogramming #javadev #dormosheio #springboot #tutorial #springsecurity

Building High-Performance Apps with Redis, PostgreSQL &amp; Spring Boot #java #javaprogramming #javadev #dormosheio #postgres #springboot #redis

💡 Java tip: Use Files.readString() and Files.writeString() for straightforward file I/O. #Java #JavaDev

🚀 Spring Boot: A webhook is when another system sends a POST request to your app when something happens. In Spring Boot, you implement it simply by exposing an endpoint that receives that POST request. #SpringBoot #JavaDev

Spring Boot: Everything you need to know, and what nobody told you. Part I #java #javaprogramming #javadev #dormosheio #springboot #expert #programming

🚀 Spring Boot: If your code uses RestTemplate, you can implement tests by mocking external calls with MockRestServiceServer. ✅ MockRestServiceServer works by intercepting HTTP requests #SpringBoot #JavaDev

🚀 Spring Boot: You can implement optimistic locking using the @Version annotation. ✅ Ideal when: 🟢Reads are frequent 🟢Writes are relatively rare 🟢Conflicts are uncommon ❌ Not Ideal when: 🔴Conflicts are frequent 🔴Strict serialization is needed #SpringBoot #JavaDev

Java Tip💡: Starting from Java 14 you can use "record" to create short, immutable, data-carrying objects. ✅ They are shorter than ordinary POJOs ✅ They have built-in equals(), hashCode(), toString() ✅ They are immutable by default #Java #JavaDev

💡 Java tip: Starting from Java 11, you can use String.strip() instead of trim(), since it handles Unicode whitespaces correctly. #Java #JavaDev

🚀 Spring Boot: To make Jackson create your objects from JSON in an explicit, and predictable way, you can use @JsonCreator. 🟢 Each parameter is explicitly bound #SpringBoot #JavaDev

💡Spring Boot tip: Use H2 if you need an in-memory database for dev/testing. #SpringBoot #JavaDev

💡Java tip: You can use Collectors.joining(", ") to turn a stream into a comma-separated string (or another custom separator). #Java #JavaDev

Micro Service Patterns: Circuit Breaker with Spring Boot #java #javaprogramming #javadev #dormosheio

Explain #Java Memory Architecture in detail #javaprogramming #javadev #dormosheio