⚫ To create methods, invoke methods, and pass arguments to a method (§4.2-4.4). ⚫ To use method overloading and know ambiguous overloading (§4.5). ⚫ To determine the scope of local variables (§4.6). ⚫ To learn the concept of method abstraction (§4.7). ⚫ To know how to use the methods in the Math class (§4.8). ⚫ To design and implement methods using stepwise refinement (§4.10). ⚫ To write recursive methods (§4.11 Optional). ⚫ To group classes into packages (§4.12 Optional)