Learn how to find the solutions of a quadratic equation in Java.

Explore the Spring framework's extensive support for Groovy and learn how to create bean definitions using different approaches.

Java 19 improvements for collections and a new incarnation of switch in Java. Also, Spring Boot 3 and Spring 6 are even closer.

Learn two common pitfalls when we work with integer literals in Java.

If you want to benchmark you code, the Java Microbenchmark Harness is the tool of choice.In our example we shall use the refill-rate-limiter project Since

Java serialization, better VSCode for Java, JFR event streaming, functional programming issues, and standard errors for HTTP APIs.

Learn how to use Filters builders to perform filter operations on a MongoDB collection.

Learn a few ways to write unit tests for singletons using Mockito.

Learn how to restrict the total memory usage in Java.

Learn how to handle exceptions in our routes using Apache Camel.

Learn how to get a subarray of a given array in Java

Learn techniques for testing methods that call System.exit() when using JUnit.

Learn how to insert HashMap into MongoDB.

Learn how to convert a java.util.Date to a java.sql.Date.

Learn how to convert String to Instant with Java.

Explore the differences between Map and MultivaluedMap.

Explore the LinkedHashSet data structure from the Java Collections library.

Learn how to check if runnable objects are done.

Learn how to calculate the standard deviation in Java.

Java thread deprecations, JPA locking, JVM logging, pattern matching, consistent caching at scale, and event sourcing!

Learn three approaches to get a List object that contains all instances of an enum