This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Why does the first println statement in the following code works and the other does not? Is it because in the first println statement, 12 is actually converted to a string? and in the second println statament, bye is considered as some variable that has not been initialized something? please explain.