You mean, despite that fact that Android is not actually Java(tm) and a lot of job offerings etc. may mention "Android Development" but not "Java Development",

You mean, despite that fact that Android is not actually Java(tm) and a lot of job offerings etc. may mention "Android Development" but not "Java Development", because they are in fact not the same, except for the syntax. As mentioned everywhere in the thread, the TIOBE index may not be optimal..