"Java still keeps rising in the TIOBE index. Now it has hit the 20% bar. Its popularity has probably risen further because of the successful JavaOne conference at the end of October. Java and C appear to be the 2 big languages at the moment."[from TIOBE Index for November 2015] According to the TIOBE Index for November 2015
"Java [is] once again above 20% since July 2009"
The top five languages are: Java, C, C++, C# and Python.
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NEW MUC Airport Workshop: Migrating Java Client (Swing / Java FX) to Web Standards