#import <Foundation/Foundation.h> #import "Iphone.h" int main(int argc, const charchar * argv[]) {  /*  Iphone * phone1 = [Iphone new];  phone1->_cpu = 1.5;  phone1->_ram = 512;  */  /*Iphone * phone = [Iphone alloc];//offcc  phone = [phone init];//[0ffcc init];  */  //開辟內存空間，以及初始化成員變量合并一起調用  Iphone * phone = [[Iphone alloc]init];//[0ffcc init];  phone->_ram = 512;   NSLog(@"%@",phone);   Iphone * phone2 = [[Iphone alloc] initWithIphoneSize:IphoneSize4point0];   NSLog(@"%@",phone2);   Iphone * phone3 = [[Iphone alloc] initWithIphoneSize:IphoneSize4point0 andPhoneColor:IphoneColorBlack];  return 0; } 

#import <Foundation/Foundation.h>  enum IphoneSize {  IphoneSize3point5,//3.5寸屏幕  IphoneSize4point0,//4.0寸屏幕  IphoneSize4point7,//4.7寸屏幕  IphoneSize5point5 //5.5寸屏幕 };  typedef enum IphoneSize IphoneSize; enum IphoneColor {  IphoneColorWhite,  IphoneColorBlack };  typedef enum IphoneColor IphoneColor;   enum IphoneFlashLightStatus {  IphoneFlashLightStatusOpen,  IphoneFlashLightStatusClose,  IphoneFlashLightStatusAuto }; typedef enum IphoneFlashLightStatus IphoneFlashLightStatus;   @interface Iphone : NSObject {  @public  /** 用來存儲iPhone屏幕尺寸 */  //enum IphoneSize 與IphoneSize 等價  IphoneSize _size;//用來存儲iPhone屏幕尺寸  /** 用來存儲iPhone顏色 */  IphoneColor _color;//用來存儲iPhone顏色   /** 用來存儲cpu大小 */  float _cpu;  /** 用來存儲內部容量大小 */  float _ram; }   /**打開閃光燈*/ -(void)openFlashLight; /**關閉閃光燈*/ -(void)closeFlashLight; /**自動*/ -(void)flaseLightAuto; /**拍照*/ -(void) cameraWithFlashLightStatus:(IphoneFlashLightStatus)flaseLightStatus;  /**根據傳入參數返回相應顏色*/ -(NSString * )getColorWithIphoneColor:(IphoneColor)iphoneColor;   +(NSString *)getColorWithIphoneColor:(IphoneColor)iphoneColor;  //自定義構造方法 //1.一定是對象方法 //2.構造方法一定是init開頭 -(Iphone *)initWithIphoneSize:(IphoneSize)iphoneSize; -(Iphone *)initWithIphoneSize:(IphoneSize)iphoneSize andPhoneColor:(IphoneColor)iphoneColor; @end