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I am wondering, is there a big difference between JOGL and C++ openGL programming apart the Java and C++ syntax?

Good openGL tutorials can be found at Nehe production LINK
The original examples are written in C++, but below every tutorial you can download JOGL version as well.

Well, for 3D game creation pure JRE isn't enough. You will need JOGL (wrapper library that allows OpenGL to be used in the Java) or JWJGL (Lightweight Java Game Library)

Actually, another good start would be: The Java 2D games tutorial
You can find there Tetris, Space Invaders and many other game source codes with good explanation of every part in it. Check it out.

I don't agree with that statement. I am lazy to write a long story right now, so I'll just copy one guy post to ground my arguments.