Java Is #1 (18.387%), C (17.080%) second, Objective-C (9.803%) third. C++ and C# are at the ranks four and five.
It seems like all C-based languages are doing well.
Java EE 7 Workshops: Bootstrap, Effective, Architectures, June, 13th-15th, Munich's Airport
On demand workshops: Java EE 7 Bootstrap, Effective Java EE 7, Java EE 7 Testing and NEW: Java EE 7 Microservices are available for streaming