objective c 实现继承 笔记

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////  main.m//  BaseTest////  Created by cheng deng on 11-8-26.//  Copyright 2011年 __MyCompanyName__. All rights reserved.//#import <Foundation/Foundation.h>@interface shuma :  NSObject  {@private    }- (void) areyou;@end@implementation shuma- (void) shuma{    NSLog(@"i am shuma product");}@end@interface  Computer: shuma {@private}@end@implementation Computer- (void) shuma{    NSLog(@"i am a computer");}@endint main (int argc, const char * argv[]){    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];    Computer *c = [Computer new];    [c shuma];    NSLog(@"test");        [pool drain];    return 0;}

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