The Exchanger and GC-less JavaUnderstanding how Core Java really works can help you write simpler, faster applications. Overview The Exchanger class is very efficient at passing work between thread and recycling the objects used. AFAIK, It is also one of the least used Concurrency classes. As @Marksim Sipos points out, if you don't need GC less logging using an ArrayBlockingQueue is much simpler. Exchanger class The Exchanger
