what is open close principle

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what is open close principle	1.94	0.3	1819	64	28
what	1.37	0.8	8653	57	4
is	0.36	0.3	1201	52	2
open	1.62	0.4	6933	100	4
close	1.02	0.6	7194	68	5
principle	1.67	0.6	6884	79	9

Keyword	CPC	PCC	Volume	Score
what is open close principle	1.94	0.8	7826	71
open close principle example	0.1	1	2278	89
open close principle in c#	0.99	0.9	3188	57
open close principle c# example	1.85	0.7	176	82
open and close principle	1.81	0.7	4784	25
open close design principle	0.22	0.5	8462	59
solid open close principle	1.22	0.3	5500	45
open close principle	0.16	0.4	8691	4
open close principle java	1.44	0.5	3533	64
open close principle simple example	1.58	0.3	8496	44
open close principle c++	1.92	0.2	4174	38
open close principle real life example	1.27	1	4678	31