OMD

Question 1

diagram för statiska modeller

Answer 1

klassdiagram, objektdiagram

Question 2

diagram för dynamiska modeller

Answer 2

sekvensdiagram, tillståndsdiagram

Question 3

symptomer på dålig design 7st

Answer 3

-Rigidity = design is hard to change, one change leads to many more
-Fragility = design is easy break from a singular change
-Immobility = design is hard to reuse
- viscosity = hard to do the right thing
-needless complexity = over complicated design
- needless repetition = inefficient computer usage
-opacity = disorganised design

Question 4

SRP

Answer 4

-Single Responsibility principle
- a class should only have one responsibility and reason to change

Question 5

OCP

Answer 5

• Open Close Principle
• a class should be open for extension but closed for modification

Question 6

LSP

Answer 6

-Liskov Substitution principle
- subtypes should eb replaceable by their base types

Question 7

ISP

Answer 7

-Interface segregation principle
- many specific interfaces are better than a broader general interface, classes can implement a better more specific interface