[第2集] Xcode 5

[yanx730]

很长！ setter/getter 创建常量字符数组@[] @synthesize Class methods start with + Instance methods start with - NSMutableArray *cards = [[NSMutableArray alloc] init]

• (instancetype)init { self = [super init]; if (self) { } return self; }

65页开始将xcode的使用