How do you learn about new or less-known Java tools/libs?
<p>How do you learn about new or less-known Java tools/libs? For example where did you learned about Lombok or jDBI for the first time (if you use them at all)?</p>

<p>Some project like Guice, Guava, Mockito, Joda Time are very common to hear about but some are not.</p>
