BlueJ

A free Java Development Environment Designed for Beginners

Screenshots

Hunter's comment

BlueJ is an open source Java IDE developed to meet various needs such as education. This IDE is still for someone who wants to build a small Java project.

BlueJ is best suited for object-oriented programming that uses Java.

Features:

• Simple and interactive UI
• OOP oriented
• Easily handle objects and classes
• Friendly for beginners
  

(all images listed are taken from the official website)

Link

https://www.bluej.org/