UML Diagram

Reading a UML Class Diagram

Where:

• scope is indicated as + public, - private, (# protected, ~ package - these are not focused on in CS149).
• The arg list is a list of parameter types (e.g., int, double, String) it can also include type after a :
• Class (i.e. static) methods and fields are indicated by underlining
• Constant (i.e. final) fields are indicated via naming convention: constants should be in ALL_CAPS

Lines between classes indicate relationships as follows:

and can have numbers indicating instances of or 'multiplicity' as follows:

For example: