I don't know if you consider python as a toy language, although it isn't. Duck typing, rapid software development... rather idiomatic, to the limit.
Java is actually widespread, but it has the following disadvantages:
1. It should be cross platform, but the only cross platform application would be hello world;
2. It gives you no clue on how a software system works: I know dozen of programmers very good at java, but totally unable to understand how things are actually done (this isn't actually a real problem if you no longer need to learn);
3. Everything works on a goddamn virtual machine, and this pisses me off.