Learn Qt. Trust me on this; I'm both a Java and C++ developer; I can tell you Qt makes C++ language closer to Java. Don't just learn the bare-bone C++.
C++ with Qt makes you infinitely more productive. I used to combine so many different libraries (Boost, Intel's, database connectors, etc..) just to achieve the kind of stuff we do (high-performance/real-time computing). At the end, I found that more than 80% of what I need is already included in Qt.
Not to mention, imo, Qt has the best documentation on any framework/library I've worked on, which makes it very easy to just learn everything on your own.
Try it, and see for yourself.
Disclaimer: I'm just a developer--I dont work for Nokia. =p