This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
My understanding is each line represents the GC. There are multiple GC at 21.50 with few milli difference. IS my understanding correct? Is there a way that we can indicate in the GC params, so that the GC runs are reguar intervals?