A quick and practical overview of converting JSON to CSV in Java.
Here's what I've written (so far):
Learn how to convert an Iterable to a Collection with a core Java solution or other libraries
JDK 7 introduced a way to see a file’s creation date. Learn what it is.
A cool library for testing database migrations in JUnit that uses throwaway Docker containers, and a method for making S3 signed URLs cacheable.
Learn several different ways how to copy a Set in Java.
Learn how to use the Spring Boot Starter Parent.
Learn the best practices and when to return the Optional type in Java.
Learn how to manage Spring Sessions with MongoDB.
Learn several techniques for decoding a JSON OkHttp response
A new Spring Cloud Services project for building service brokers, and a look at Hypersistence Optimizer, a performance tuner for JPA and Hibernate applications.
Learn how to use the Parameterized JUnit test runner with a Spring integration test
Learn how to make the best out of ApplicationContextRunner in Spring Boot.
A quick and practical introduction to Java Errors.
Have a look at how to store, index and search geospatial data with MongoDB
Learn how to apply several refactoring operations in the Eclipse Java IDE.
Learn how to enable Transaction Locks in Spring Data JPA.
A good primer on implementing feature toggles and managing them in a microservices architecture, and a review of messaging between Message-Driven Beans.
Explore how to read different request parameter types via a simple Jersey project.
Learn how to configure a JPA entity for more than one primary key column, diving into the tradeoffs between @EmbeddedId or @IdClass.
Learn the various causes of NumberFormatException in Java and some best practices for avoiding it.