Hierarchical Class Structure
When using a class inside some other component, the methods of the class can be used as subroutines in the component. The figure below shows method invocation in a nested class.
The methods are called as part of the execution of the component’s methods or process, this point in the software can be determined by the component itself. When calling a method, the component must supply the method with actual parameters for the arguments of the method.
See also