設計一部iphone手機用物件導向的方法

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main.m

//編輯字型大小command + <//編譯執行快速鍵 com + R#import <Foundation/Foundation.h>#import "Iphone.h"int main(int argc, const char * argv[]){    Iphone * phone = [Iphone new];    phone->_ram = 512;    phone->_cpu = 1.5;    int year = 2015;    int month = 7;    int day = 15;    NSLog(@"Hello, World %d %d %d %@!",year,month,day,@"今天開學了");    printf("hello world %d %d %d\n",year,month,day);            return 0;    }

iphone.h

#import <Foundation/Foundation.h>@interface Iphone : NSObject{    //@public 被修飾的成員變數,在類的外部能夠直接訪問    @public    float _cpu;//用來儲存CPU的大小    float _ram;//用來儲存內部容量大小}//專門用來聲明成員變數- (void)aboutMyPhone;-(void)sendMessag:(char *)content;-(void)sendMessag:(char *)content andPhoneNumber:(char *)phoneNumber;-(void)sendMessagWithMessageContent:(char *)messageContent andPhoneNumber:(char *)phoneNumber;//2.類方法@end

iphone.m

#import "Iphone.h"@implementation Iphone-(void)aboutMyPhone{//    NSLog(@"aboutMyPhone已經實現了");        NSLog(@"phone cpu %.2f,ram %.2f",_cpu,_ram);}-(void)sendMessag:(char *)content{    NSLog(@"%s",content);}-(void)sendMessag:(char *)content andPhoneNumber:(char *)phoneNumber{    NSLog(@"給%s發送訊息%s",phoneNumber,content);}-(void)sendMessagWithMessageContent:(char *)messageContent andPhoneNumber:(char *)phoneNumber{    NSLog(@"給%s發送訊息%s",phoneNumber,messageContent);}//重寫description方法-(NSString *)description{    //最佳化 return [NSString stringWithFormat:@"我的cpu=%.1f我的內部儲存是=%.1fMB",_cpu,_ram];    NSString *result = [NSString stringWithFormat:@"我的cpu=%.1f我的內部儲存是=%.1fMB",_cpu,_ram];    return result;    return @"ffffffff";}@end

設計一部iphone手機用物件導向的方法