Java: Out with the Old, In with the New

Question

Java is nearing version 7. It occurs to me that there must be plenty of textbooks and training manuals kicking around that teach methods based on older versions of Java, whe

Answer 1

A simple change in since 1.5 but makes a small difference - in the Swing API accessing the contentPane of a JFrame:

myframe.getContentPane().add(mycomponent);

becomes

myframe.add(mycomponent);

And of course the introduction of Enums has changed the way many applications that used constants in the past behave.

String.format() has greatly improved String manipulation and the ternary if statement is quite helpful in making code easier to read.