If the answer is No one. Then this blog is for U. I'm going to put all the things I know in Java
But on the flip side Java lost almost 1% of its popularity in September. If this trend continues, C will be number one in next month. Other interesting observations are that both Objective-C and Transact-SQL scored new all time highs, Assembly reentered the top 20, Visual Basic.NET gained many places (from #39 to #25), while F# had a hard time (from #23 to #46).