December 2009
Intermediate to advanced
1170 pages
28h 4m
English
Content preview from Big Java, 4th Edition
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Appendix K. UML Summary
In this book, we use a very restricted subset of the UML notation. This appendix lists the components of the subset.
For a complete discussion of the UML notation, see The Unified Modeling Language User Guide, Grady Booch, James Rumbaugh, and Ivar Jacobson (Addison-Wesley, 2005, 1999).
CRC Cards
CRC cards are used to describe in an informal fashion the responsibilities and collaborators for a class. Figure 1 shows a typical CRC card.
Figure K.1. Typical CRC Card
UML Diagrams
Figure 2 shows the UML notation for classes and interfaces. You can optionally supply attributes and methods in a class diagram, as in Figure 3.
Figure K.2. UML Symbols for Classes and Interfaces
Figure K.3. Attributes and Methods in a Class Diagram
Figure K.4. An Aggregation Relationship with Multiplicities
Table 1 shows the arrows used to indicate relationships between classes. Multiplicity can be indicated in a diagram, as in Figure 4.
Table K.1. UML Relationship Symbols
Relationship | Symbol | Line Style | Arrow Tip |
|---|---|---|---|
Inheritance | Solid | Triangle | |
Interface Implementation | Dotted | Triangle | |
Aggregation | Solid | Diamond | |
Dependency ... |
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