Objective-C Programming: The Big Nerd Ranch Guide

Dot notation

Objective-C programmers call accessor methods a lot. When properties were introduced, Apple also introduced a shorthand dot notation for calling those accessors.

Many Objective-C programmers prefer dot notation because it is easier to type. In main.m, try out dot notation:

i​n​t​ ​m​a​i​n​(​i​n​t​ ​a​r​g​c​,​ ​c​o​n​s​t​ ​c​h​a​r​ ​*​ ​a​r​g​v​[​]​)​ {​ ​ ​ ​ ​@​a​u​t​o​r​e​l​e​a​s​e​p​o​o​l​ ​{​ ​ ​ ​ ​ ​ ​ ​ ​/​/​ ​C​r​e​a​t​e​ ​a​n​ ​i​n​s​t​a​n​c​e​ ​o​f​ ​B​N​R​P​e​r​s​o​n​ ​ ​ ​ ​ ​ ​ ​ ​B​N​R​P​e​r​s​o​n​ ​*​m​i​k​e​y​ ​=​ ​[​[​B​N​R​P​e​r​s​o​n​ ​a​l​l​o​c​]​ ​i​n​i​t​]​;​ ​ ​ ​ ​ ​ ​ ​ ​/​/​ ​G​i​v​e​ ​t​h​e​ ​i​n​s​t​a​n​c​e​ ​v​a​r​i​a​b​l​e​s​ ​i​n​t​e​r​e​s​t​i​n​g​ ​v​a​l​u​e​s​ ​u​s​i​n​g​ ​s​e​t​t​e​r​s​ ...