Need advice i am confused. In computer programming courses?

[Kushal]

Hello friends, i am interested in IT sector so i am planning to move in IT field as my career.
for that i have made many inquires in institutes or can say classes there they explain me that my course will be started from very basic stage see below.

Core programming:-
Front end --- C,C++

Back end --- SQL, Data Structure

it will be of 6 months course.

then they said they will start my advance 6 months course which will cover
(Java, .Net, PHP, Android) same 6 months course.

Also i asked them a question after learning all these will i be able to develop
Software's, Plugins, Also android apps. like Whats app etc. and iPhone Apps. too.
So they replied yes but my friends is it really true?

Another i wanted to ask what is j Query?

please friends guide me in proper and best way its my career decision.
thank you,