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can i get the names of few languages i should concentrate as a begginer.
And also
i have studied c++,sql 2005 this summer but i still have some problems in these languages,
maybe due to lack of practice, so can u guys tell me some online tutorials or some thing else so that i can become a damm good pragrammer.

C(++) is certainly a good start and is a good investment but you should also have a scripting language or two under your belt as well so that you can use them to carry out tasks such as data/information extraction & conversion, I suggest Python (2.6) as it's easy to learn and is a very capable tool, you might also consider Perl and/or Ruby as they are on par and they are easily capable of network related protocols (TCP,HTTP,FTP ect.). Some scripting languages are more suited for lightweight work such as Lua and Haskell such as playing with strings and can be handy to know.

A language such as VB.NET, C# or JAVA would be good to know too as it would allow you to quickly develop otherwise complex applications such as GUI driven ones which something you'll find is quite a hassle in other languages such as C(++) (unless using Visual C++ but even then it's not as easy as the others).

I don't know of any single tutorial to help you learn any of these but I've always just used google to find these things, but for practice you can do the challenges on this site, even once you've done it in one language you can try it in another for extra practice.

On a side note you might want to consider PHP, JavaScript and CSS if you know SQL & HTML to let you make website which can be quite rewarding, especially if your handy in photoshop/illustrator, and you can read up on these on w3schools.

ok, thanx