Java Articles

Alexandru Nastase

Updated on February 05, 2025

The volatile keyword in Java signals that a variable is being stored in the main memory, ensuring all threads see the same value. Here’s how it differs from other types of keywords in Java, when to use it, how to use it and its limitations.

Kailash Nirmal

Updated on January 16, 2025

Reactive programming is a programming style that allows an application to respond swiftly to data changes leading to a more responsive system. Learn how to do it in Java.

Andy Hilliard

Updated on December 17, 2024

The increasing demand for specialized tech skills is changing the nature of software development. Here’s how you can stay up to date.

Adam Ierymenko

Updated on November 01, 2024

The pervasive use of memory-unsafe languages in vital systems is exposing them to vulnerabilities. Our expert explains why that’s a problem.

Abhinav Pandey

Updated on June 14, 2024

Java switch case is a tool that selects a code block to execute based on the value of a given expression. It’s used to replace multiple if-else statements. Here’s how to do it.

Akshay Kumar

Updated on January 18, 2024

HashMap is a popular data structure in Java that uses the Map interface and a hash table to provide efficient access and manipulation of data based unique keys.

Parul Malhotra

Updated on January 10, 2024

In code, 0.1 + 0.2 doesn’t equal 0.3 due to floating point arithmetic. Learn why that is and how floating point arithmetic works.

Artem Oppermann

Updated on September 26, 2023

Object-relational mapping speeds up development time for teams and reduces costs, but how does it work? Our expert explains.

Artem Oppermann

Updated on April 10, 2023

The JRE is a crucial component of the Java platform because it enables Java programs to run on any system where we’ve installed the JRE. Here’s how it works.

Anthony Corbo

Updated on March 15, 2023

Java, a general-purpose, class-based, object-oriented language, offers a high degree of reliability. It's one of the most widely used programming languages.