/*
成績(jī)類：
C語(yǔ)言成績(jī)（可讀可寫）
OC成績(jī)（可讀可寫）
總分（只讀）
平均分（只讀）
*/
main.h
#import <Foundation/Foundation.h>
#import "Score.h"
int main(int argc, const char * argv[])
{
Score *c = [Score new];
[c setOcScore:90];
int b = [c ocScore];
NSLog(@"oc=%d",b);
[c setCScore:96];
int d = [c ocScore];
NSLog(@"c=%d",d);
int e = [c allScore];
NSLog(@"allScore=%d",e);
int f = [c aveScore];
NSLog(@"aveScore=%d",f);
return 0;
}
Score.h
#import <Foundation/Foundation.h>
@interface Score : NSObject
{
int _cScore;
int _ocScore;
int _allScore;
int _aveScore;
}
- (void)setCScore:(int)cScore;
- (int)cScore;
- (void)setOcScore:(int)ocScore;
- (int)ocScore;
- (int)allScore;
- (int)aveScore;
@end
Score.m
#import <Score.h>
@implementation Score
- (void)setCScore:(int)cScore
{
_cScore = cScore;
?_allScore = _cScore+_ocScore;
_aveScore = _allScore/2;
//
}
- (int)cScore
{
return _cScore;
}
- (void)setOcScore:(int)ocScore
{
_ocScore = ocScore;
}
- (int)ocScore
{
return _ocScore;
}
- (int)allScore
{
//? return _cScore+_ocScore;
//? 不這樣寫澎剥，每調(diào)用一次方法就要完成一次加法
return _allScore;
}
- (int)aveScore
{
//? return (_cScore + _ocScore)/2;
return _aveScore;
//? return [self allScore]/2;
}
@end
