focusing on the implementation of method bodies. Return types, method's which dont return a value void types. Method's with 'non-void' return types including return statements with a value (convertible to) declared type.
Towards Object Oriented Programming, and their 'constructors', implementating new objects not including 'type' specifications.
Method overloading, and parameter lists. Invocation of methods and the number, type / name or order from that of the 'method signature line'. Use of varargs, defining and invoking methods which accept variable numbers of arguments.
#Symbian OS / Mobile Technology and the implementatio of J2ME.
