It depends. Learning a significantly different language can be mind-expanding. Going from C to Lisp is not just picking up a different tool. More like a brai

It depends. Learning a significantly different language can be mind-expanding. Going from C to Lisp is not just picking up a different tool. More like a brain transplant. Going from Java to C# is more ho-hum. There will be no epiphanies. More like "Oh, Microsoft solved problem X. That's nice." That really is like replacing a Husky brand wrench with a Craftsman brand wrench.