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.
It's going to happen the same thing in java 1.4 or 1.5, java is designed to be backwards compatible. In both cases the == compares if the primitives have the same value, or if the references both point to the same instances of the object (to know if two different instances both represent the same object you must override and use the .equals method defined in Object)