Learn about file access management in Java

How to write out the contents of a Reader to File using plain Java, Guava or Apache Commons IO.

A comparison of Flyway and Liquibase - the two most popular tools for database refactoring.

Learn how the @Builder annotation in Project Lombok can help you reduce boilerplate code when implementing the builder pattern to create instances of your Java classes.

Learn how to click elements using Javascript in Selenium.

Learn several ways of iterating over Java 8 Streams using indices

Implement two linked list reversal algorithms in Java

While unit testing, we may occasionally want to use @BeforeAll and @AfterAll in non-static setup and tear-down methods. Let's see how we can do it.

Learn the differences between calling the Object.getClass() method and using the .class syntax

Let's look at how, based on certain conditions, we can run or ignore tests using JUnit.

Discover the basics of the Functional Java library

In this tutorial, we’ll show how to use the Google Guava's Table interface and its multiple implementations.

Learn how to globally handle all uncaught exceptions in your Java application

Learn the fundamental concepts of recursion in Java with examples.

Learn how to read a list of trusted certificates in Java through quick and practical examples

Learn how to calculate the nth root in Java with precision.

An overview of the Java APIs that allow us to work with files in Java 8 streams.

Learn how to parse and process structure text and languages with ANTLR in Java

Explore several options for reading an HTTP response body as a string in Java

Learn how to parse JSON with Jsoniter (json-iterator)

Elasticsearch is great, but optimizing it for high load is always tricky. This won’t be yet another “Tips and tricks for optimizing Elasticsearch” article