💡 AssertJ Tip: use `satisfies(..)` to execute multiple assertions on a nested object:

💡 AssertJ Tip: use `usingRecursiveComparison().isEqualTo(..)` to assert two objects - including nested ones - have fields with same values:

In #Java Spring Framework you can autowire a List of beans implementing a certain interface like this. No need to manuall specifying fields and adding them into the List in @PostConstruct method.

#Java Tip: Use Apache Commons Lang3 EnumUtils to gracefully handle Enums. The standard java Enum class throws Exceptions when you pass an incorrect value. But EnumUtils returns safely plain null. There is even a ignoreCase method to get an enum value. t.ly/8c_GZ

#Java #JPA @hibernate Tip: If you are using Strings to configure Hibernate you can do a bit better. The interface AvailableSettings has constants for this strings. Benefit of using this is a bit more type safety and JavaDoc for this constants 👉t.ly/iLKLt

💡 Spring Boot Tip Once bean is annotated with @Validated, you can use validate method parameters with bean validation annotations, like @NotNull, @NotBlank etc.

⚒️ json-masker - a library that can be used to mask string and/or numeric values from JSON messages 👉 github.com/Breus/json-mas…

🚀 Maven Plugin Tip - DepClean 🚀 DepClean automatically cleans the dependency tree of Java projects. It removes all the dependencies that are included in the project's dependency tree but are not actually necessary to build it. 🔥 github.com/ASSERT-KTH/dep…

#microservices #designpatterns #java #javaguides

IBM MQ -> RabbitMQ -> Kafka ->Pulsar, How do message queue architectures evolve? 🔹 IBM MQ IBM MQ was launched in 1993. It was originally called MQSeries and was renamed WebSphere MQ in 2002. It was renamed to IBM MQ in 2014. IBM MQ is a very successful product widely used in

🚀 Docker Tool - dive 🚀 Dive - a tool for exploring a docker image, layer contents, and discovering ways to shrink the size of your Docker/OCI image. 🔥 github.com/wagoodman/dive

We are often asked to design for high availability, high scalability, and high throughput. What do they mean exactly? The method to download the high-resolution PDF is available at the end. The diagram below is a system design cheat sheet with common solutions. 1. High

Relational Databases Explained architecturenotes.co/things-you-sho…

Encoding vs Encryption vs Hashing

79 Resources to read to improve your system design: High Scalability highscalability.com System Design Newsletter newsletter.systemdesign.one/?r=gjveo System Design Primer github.com/donnemartin/sy… System Design Course github.com/karanpratapsin… Engineering at Meta engineering.fb.com AWS

🚀 Spring Boot tip: Easily convert Spring Boot property values between the different formats (.properties, .yaml, env variables) via this website: env.simplestep.ca (Thanks to Simon Martinelli for the tip)

IBM MQ -> RabbitMQ -> Kafka ->Pulsar, How do message queue architectures evolve? 🔹 IBM MQ IBM MQ was launched in 1993. It was originally called MQSeries and was renamed WebSphere MQ in 2002. It was renamed to IBM MQ in 2014. IBM MQ is a very successful product widely used in

Logging, tracing and metrics are 3 pillars of system observability. The diagram below shows their definitions and typical architectures. 🔹 Logging Logging records discrete events in the system. For example, we can record an incoming request or a visit to databases as events.

Top 12 Tips for API Security - Use HTTPS - Use OAuth2 - Use WebAuthn - Use Leveled API Keys - Authorization - Rate Limiting - API Versioning - Whitelisting - Check OWASP API Security Risks - Use API Gateway - Error Handling - Input Validation – Subscribe to our weekly

🚀 Spring Boot Advanced Tip🚀 Create Your Own FailureAnalyzer Intercepting startup exceptions and converting them into human-readable messages is effectively achieved through a FailureAnalyzer in Spring Boot 🔥 docs.spring.io/spring-boot/do… #SpringBoot #FailureAnalyzer