Every language has its purpose. I'd say Java is to versatility whereas C/C++ is to efficiency. But for a Java program to work on all platforms, clients just need to install JRE and JRE exists for almost any platform. For C/C++, as a developer, you need to "port" the application for every platform you may want to distribute to, but it usually runs much faster since it is interpreted by the computer itself (compiled) versus Java that has an interpretation layer in between the code and the computer (JRE).
The problem is usually always the same. When an application does not run well, it is usually the result of bad programming, bad integration, poor/no performance testing or, choosing a language that does not match the purpose of the application.
At my job, a lot of apps are written in Java, they mostly run very well and almost never crash even if thousands of users work on them all day long. When an app crashes too often, one of the more experienced programmers takes a look, fixes the problems and it usually almost never crash again. Just like an experienced programmer would modify compiled C code (assembly) in a video game to make it run a few frames per second faster.
Anyways, I like Yosemite, like the interface and I've only had this very minor issue which was easy to fix up to now. Let's see how IOS 8.1 and Yosemite work together now.
