Would these lines of code affect each other? <p>I am listening/watching the tutorial on Paul Hegarty from the App Store. In his lesson he states that you should ALWAYS synthesize your properties on the implementation file like so:</p> <pre><code>@sysnthesize example = _example; </code></pre> <p>I am also doing a apple documentation tutorial that does not synthesize properties. It also has init methods like so:</p> <pre><code>- (id)initWithName:(NSString *)name location:(NSString *)location date:(NSDate *)date { self = [super init]; if (self) { _name = name; _location = location; _date = date; return self; } return nil; } @end </code></pre> <p>Will these to interact, cancel or otherwise mess with each other if add them together like so:</p> <pre><code>@implementation BirdSighting @synthesize name = _name; @synthesize location = _location; @synthesize date = _date; - (id)initWithName:(NSString *)name location:(NSString *)location date:(NSDate *)date { self = [super init]; if (self) { _name = name; _location = location; _date = date; return self; } return nil; } @end </code></pre> <p>Thanks for the help. </p>