Learn how to use the Problem Spring Web library to create messages with the errors’ details using an application/problem+json response.
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Method References in Java
A quick and practical overview of method references in Java.
Guide to JUnit 5 Parameterized Tests
Learn how to simplify test coverage in JUnit 5 with parameterized tests
Spring Boot Ehcache Example
A quick and practical guide to using Spring with Ehcache.
Java String Interview Questions and Answers
Prepare for your next Java interview. How many of these do you already know?
Concatenating Strings in Java
Learn different ways to concatenate Strings in Java
Introduction to Akka HTTP
Learn how to create an HTTP server with Akka
Formatting Output with printf() in Java
Learn how to format output using Java’s PrintStream.printf() method
Introduction to RESTX
Learn how to use the RESTX framework to build REST APIs
A Guide to Constructors in Java
Learn the basics about constructors in Java as well as some advanced tips
Spring Security OAuth Login with WebFlux
Configure the OAuth Login support in a Spring Webflux application.
Array Operations in Java
Learn how we can handle common array operations in Java.
Dockerizing Java Apps using Jib
Learn to simplify containerization of Java applications using Jib
Validation for Functional Endpoints in Spring 6
Explore how to implement input validation for functional endpoints in Spring 5 to avoid unexpected errors later when we’re processing the data.
String Performance Hints
Learn about the performance aspects of the Java String API
Java 9 Platform Logging API
Explore the newly introduced Logging API in Java 9 along with examples that cover the most common cases.
A Guide to JavaFaker
Learn how to generate data using the JavaFaker library.
Create a Symbolic Link with Java
Learn about symbolic links, and how to create them with Java
Spring Boot Integration Testing with Embedded MongoDB
Learn how to use Flapdoodle’s embedded MongoDB solution together with Spring Boot to run MongoDB integration tests smoothly.
Monitoring Disk Usage and Other Metrics in Java
A quick and practical guide to monitoring key metrics in Java.