This tutorial shows why we need the class AtomicInteger and how to use it.
Run the test with maven using:
mvn install
The test uses a not thread safe implementation, the class com.vmlens.tutorialAtomicInteger.CounterNotThreadSafe. To change to a thread safe implementation change the counter variable in the test
com.vmlens.tutorialAtomicInteger.ConcurrencyTestCounter to CounterUsingIncrement or CounterUsingCompareAndSet.
The tutorial is described in greater detail in this blog port