Here are the NeHe OpenGL Tutorial Demos originally ported by Hodglim for GL4Java >= 2.8.1.0:
This demos have added requestFocus() statements, especially for the events: mouseEntered and mouseClicked !

To use the Java2 Plug-In (Java2, JRE, Plug-In 1.3), click here !

Lesson 1 : Lesson 1 - Setting Up OpenGL In Windows

Lesson 2 : Lesson 2 - Your First Polygon

Lesson 3 : Lesson 3 - Colors

Lesson 4 : Lesson 4 - Rotation

Lesson 5 : Lesson 5 - Solid Objects

Lesson 6 : Lesson 6 - Texture Mapping

Lesson 7 : Lesson 7 - Texture Filters, Lighting & Keyboard Control

Lesson 8 : Lesson 8 - Blending

Lesson 9 : Lesson 9 - Moving Bitmaps In 3D Space

Lesson 10 : Lesson 10 - Loading And Moving Through A 3D World

Lesson 11 : Lesson 11 - OpenGL Flag Effect

Lesson 12 : Lesson 12 - Display Lists

Lesson 16 : Lesson 16 - Cool Looking Fog

Lesson 18 : Lesson 18 - Quadratics

Lesson 19 : Lesson 19 - Particle Engine Using Triangle Strips