我装载着像这样的浮体:
NSArray *arr= [NSArray arrayWithObjects:
[NSNumber numberWithFloat:1.9],
[NSNumber numberWithFloat:1.7],
[NSNumber numberWithFloat:1.6],
[NSNumber numberWithFloat:1.9],nil];
现在我知道这是这样做的正确方式,但零售价令我感到困惑。
每人 反对由<代码>[NSNumber number WithFloat:]方法确定。 这使该物体保留了1只手套? - 否则,该物体将被收回
www.un.org/Depts/DGACM/index_french.htm 方法向每个物体发出保留信息。
这意味着每个物体均保留2号。 当阵列被拆除时,每个物体均被释放,然后保留1个。
我错了什么?
The NSNumber number WithFloat: methods isn t re atay Object.
In general unless you re using alloc, copy or new you can presume that you re getting a object that has a retain count of zero. As such the only retain that s taking place is when the NSArray has the objects added to it.
http://interfacelab.com
There is no need to release those objects.
The arrayWithObjects: and numberWithFloat: creates object you do not own.
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