$19-21$:MS$.$ Choose $3$ indicators of 'High$-$Quality' programming code. $($Mark a dark, clear $\text{'}x\text{'}$ for choices$)$

$q,$ Low requirement for documentation

$$ Strong cohesion

Loose coupling

Well formatted

High coupling

$22.$ A java package is a $$

A$)$ namespace that groups related classes but not any interfaces

B$)$ namespace that groups related classes and interfaces

C$)$ method of putting classes into reference libraries

D$)$ set of interfaces that share a global singleton