Project Mgmt

Question 1

SOLID

Answer 1

S_ingle responsibility principle
O_pen–closed principle
L_iskov substitution principle
I_nterface segregation principle
D_ependency inversion principle

Question 2

S_ingle responsibility principle

Answer 2

A class should only have a single responsibility, that is, only changes to one part of the software’s specification should be able to affect the specification of the class.

Question 3

O_pen–closed principle

Answer 3

“Software entities … should be open for extension, but closed for modification.”

Question 4

L_iskov substitution principle

Answer 4

“Objects in a program should be replaceable with instances of their subtypes without altering the correctness of that program.” See also design by contract.

Question 5

I_nterface segregation principle

Answer 5

“Many client-specific interfaces are better than one general-purpose interface.”

Question 6

D_ependency inversion principle

Answer 6

One should “depend upon abstractions, [not] concretions.”