*method level
**class level
***project level
Traditional
- McCabe Cyclomatric Complexity * **
- LOC, SLOC, CLOC etc * **
- Comment Percentage * ** ***
CK
- Weighted Method per Class **
- Depth of Inheritance Tree **
- Number of Child **
- Coupling between Objects ***
MOOD
- Method Hiding Factor ** ***
- Attribute Hiding Factor ** ***
- Method Inheritance Factor ** ***
- Coupling Factor ***
Others
- Parameter Length *
- Number of Method per Class **