This is not about Buddy Holly, and while it’s going to cover Big O notation, it’s not about The Big O himself: Roy Orbison. I’d like to share a problem

Learn how to use Java's GregorianCalendar class

Learn how to run Java main method using Maven.

Learn how to use the @SuppressWarnings annotation

Java is a popular programming language that was launched 25 years ago by the Oracle Corporation. It is mainly used for application development and works

A quick example and explanation of the startsWith() API of the standard String class in Java.

Learn how to generate certificates with keytool.

Web tables or data tables are often used in scenarios where you need to display the information in a tabular format. The data being displayed can either

Learn how to use the Flogger framework as an alternative for the traditional logging frameworks.

Learn about the change to time-based releases with Java, how it differs from semantic versioning and what how we can expect the support lifecycle to change

A quick but comprehensive introduction to HashSet in Java.

Learn how to escape special characters in Java Regular Expressions.

Learn how to use the Java Text Blocks feature, incorporated as a standard feature since JDK 15.

Learn how to do Base64 encoding and decoding of a PDF file using Java 8 and Apache Commons Codec.

Learn the basics of the Java native keywords and methods.

Learn several algorithms for checking whether a list is sorted in Java.

Learn how leverage OpenCV with Java

Introduction In this article, I will contemplate the testing of private methods in unit tests. After that, I will propose a way or pattern to do it, if

Learn about approaches for testing System.out.println.