https://blog.youkuaiyun.com/keymon_hongzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/keymon_hong/article/details/51480498https://blog.youkuaiyun.com/keymon_hong/article/details/51480498keymon_hongMon, 23 May 2016 11:46:26 +0800https://blog.youkuaiyun.com/keymon_hong/article/details/46121327https://blog.youkuaiyun.com/keymon_hong/article/details/46121327keymon_hongThu, 28 May 2015 13:30:17 +0800@interface NSObject (print)- (void)print;@endNSObject+print.m#import "NSObject+print.h"@implementation NSObject (print)- (voi]]>https://blog.youkuaiyun.com/keymon_hong/article/details/46121081https://blog.youkuaiyun.com/keymon_hong/article/details/46121081keymon_hongThu, 28 May 2015 13:15:14 +0800@interface Student : NSObject{ NSInteger _num; NSString *_name; NSInteger _age; CGFloat _score; }- (void)setNum:(NSInteger)num; - (N]]>https://blog.youkuaiyun.com/keymon_hong/article/details/46120943https://blog.youkuaiyun.com/keymon_hong/article/details/46120943keymon_hongThu, 28 May 2015 13:05:27 +0800int main(int argc, const char * argv[]) { @autoreleasepool { // 创建数组 NSArray *ages = @[@12, @13, @34, @56]; // 快速遍历 注意：快速]]>https://blog.youkuaiyun.com/keymon_hong/article/details/45968959https://blog.youkuaiyun.com/keymon_hong/article/details/45968959keymon_hongMon, 25 May 2015 13:58:31 +0800@interface Person : NSObject{ NSString *_name; NSInteger _age; }- (void)setName:(NSString *)name; - (NSString *)name;- (void)se]]>https://blog.youkuaiyun.com/keymon_hong/article/details/45956941https://blog.youkuaiyun.com/keymon_hong/article/details/45956941keymon_hongSun, 24 May 2015 22:32:53 +0800int main(int argc, const char * argv[]) { @autoreleasepool { // 1.NSString 不可变字符串 /* // 使用字面量创建不可变字符串对象 NSString *]]>https://blog.youkuaiyun.com/keymon_hong/article/details/45956651https://blog.youkuaiyun.com/keymon_hong/article/details/45956651keymon_hongSun, 24 May 2015 22:19:34 +0800@interface Person : NSObject { NSString *_name; NSInteger _age; }- (void)setName:(NSString *)name; - (NSString *)name;- (void)setAge:(NSInteger)a]]>https://blog.youkuaiyun.com/keymon_hong/article/details/45956431https://blog.youkuaiyun.com/keymon_hong/article/details/45956431keymon_hongSun, 24 May 2015 22:08:21 +0800@interface Person : NSObject { /** 实例变量可见度分3种： * public : 公有的，可见度最高，外部、内部、子类均可访问，缺点不安全 * protected : 默认的，只有内部和子类可以访问，最常用 * p]]>https://blog.youkuaiyun.com/keymon_hong/article/details/45956209https://blog.youkuaiyun.com/keymon_hong/article/details/45956209keymon_hongSun, 24 May 2015 21:52:05 +0800 // 注意文件名称与类名没有什么实质的关系，创造类时最好把文件名和类名设置成一致的，目的方便使用// OC中类的声明标志是：@interface ... @end // Student : 当前类名 // NSObject : 父类名 // ' : ' : 代表继承关系 @interface Student : NS]]>