... 33 5loops, termination, 33 5loops, while, 33 3multiple-choice selection, 33 2 33 3object creation, 34 0returning function values, 33 6 33 7server variables, 34 5 34 6static class method usage, 34 0stopping ... classes and, 7–8, 34 35 described, 31 extends keyword and, 31 33 final keyword and, 6, 33 language translation, 34 0 34 1parent:: references, 33 34 redefining properties and methods in subclasses, 32 33 static ... declaration, 33 8class using interface, 34 3class visibility keywords, 33 7comments, 32 9conditional evaluation, 33 1 33 2constant declaration, 33 0exception handling, 34 4function/method declaration, 33 6grouping...