摘要：http://www.swiftv.cn/?schoolId=swiftv 阅读全文

摘要：36.Collections和字符串 阅读全文

摘要：http://www.cocoachina.comhttp://onevcat.com/#bloghttp://objccn.iohttp://blog.devtang.comhttp://blog.sunnyxx.comhttps://developer.apple.com 阅读全文

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摘要：29.Object copy（类对象复制）：#import "MrHiggieIsAnAmazingPhoneAndIsLovedByEveryone.h"MrHiggieIsAnAmazingPhoneAndIsLovedByEveryone *talkingiPhone = [[MrHiggie... 阅读全文

摘要：18.Understanding self（self变量）：#import "MrHiggieIsAnAmazingPhoneAndIsLovedByEveryone.h"@implementation MrHiggieIsAnAmazingPhoneAndIsLovedByEveryone-(void)speak;{ NSLog(@"%@ says Hello There!", self);//用self变量，输出的是类对象在内存中的地址}@end19.Logging a property instead of self(用一个属性代替self变量): 阅读全文

摘要：12.enumerate with bolcks（快速循环代码块）：for example：NSArray *newHats = @[@"Cowboy", @"Conductor", @"Baseball", @"Beanie", @"Beret", @"Fez"];//普通的循环for (NSString *hat in newHats) { NSLog(@"Trying on hat %@", hat);}//enumerate with blocks 阅读全文

摘要：7.if条件语句for example:BOOL mrHiggieIsMean = YES;//BOOL类型值，以YES和NO来区分if (mrHiggieIsMean) {NSLog(@"Confirmed: he is super mean");}if-else if-else语法8.switch(expression){case value:break;}与其他编程语言语法一样9.for循环for example:NSArray *newHats = @[@"Cowboy", @"Conductor", @"Baseb 阅读全文

摘要：1.数组NSArray *arrays = @[@"keyname",@"value"];2.输出NSArray *array = [arrays,description];NSLog(@"print Array %@",array);%@是占位符，针对于NSUInteger，如果输出得采用%lu来代替for example:NSString *city = @"Ice World";NSUInteger cityLength = [city length];NSLog(@"City has %lu ch 阅读全文

摘要：http://www.cnblogs.com/haichao/ 阅读全文