Here's what I've written (so far):

Guava – Sets

Working with Sets in Guava – intersection, union, cartesian product, set of ranges and other useful code samples.

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Guava – Lists

Work with Lists in Guava – clean duplicates and nulls from the list, reverse it and partition it – or convert it to an ImmutableList.

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Java Timer

Using the Java Timer and TimerTask to get the most out of it. Schedule a delayed one time task, a daily task or just repeat on an interval. Cool beans.

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Guava Cache

How to use the Guava Cache – from a simple usecase to eviction of elements, refresh and preload of the cache and removal notifications.

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