Java Articles

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Akshay Kumar Akshay Kumar
Updated on January 18, 2024

A Guide to HashMap in Java With Examples

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.

A Guide to HashMap in Java With Examples
Parul Malhotra Parul Malhotra
Updated on January 10, 2024

Why 0.1 + 0.2 Doesn’t Equal 0.3 in Most Programming Languages

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.

Why 0.1 + 0.2 Doesn’t Equal 0.3 in Most Programming Languages
Artem Oppermann Artem Oppermann
Updated on September 26, 2023

What Is Object-Relational Mapping (ORM)?

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

What Is Object-Relational Mapping (ORM)?
Artem Oppermann Artem Oppermann
Updated on April 10, 2023

What Is the Java Runtime Environment (JRE)?

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.

What Is the Java Runtime Environment (JRE)?
Anthony Corbo Anthony Corbo
Updated on December 29, 2022

What Is Java?

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.

What Is Java?