Is there a Java Implementation of this code for Learning Open GL and EGL

[pawaom]

Is there a Java Implementation of this code

I Am trying to learn Open GL and EGL , is there a Java implementation of this Code, I saw the Transcoder code has

api 'com.otaliastudios.opengl:egl-core:0.1.1', however the code is not available on Github., can we please get this code.