If you've never worked in the industry then a degree is a must. I would recommend Java out of those you've listed, if you want to do complex web programming. If you want to do embedded apps and networking and windows programming I recommend C++ or C#. Personally I see Java and C# as the two top languages out there that command the biggest bucks.There are more Java jobs, but there are more Java people and the rate is lower. If you go with C# there is a shortage right now and they get higher rates.

Not nice of you to stick in your ad on the bottom..shame on you!