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.
first one String string = "Risabh" is compile time constant.
second one String string = new String("Risabh") will be created at run time and is not a compile-time constant. The JVM loads the String pool when the class is loaded.