This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
Hi, I am preparing for SCJP 5.0. Please explain the two doubts raised in Chapter 6 of Kathy Sierra book. 1. Why wouldn't all Java classes be serializable? 2. Why isn't class Object serializable? Amitesh