Objective-C 基础:Time5 多参

.h文件

#import <Foundation/Foundation.h>

@interface Time4 : NSObject

{

   int hour;

   int minute;

   int second;

}

-(void)setHour:(int)_h andMinute:(int)_m andSecond:(int)_s;//多参

-(int)hour;

-(int)minute;

-(int)second;

  

@end

.m文件

#import "Time4.h"

@implementation Time4

-(void)setHour:(int)_h andMinute:(int)_m andSecond:(int)_s//多参

{

    

   hour= _h;

   minute = _m;

   second = _s;

}

-(int)hour

{

   returnhour;

}

-(int)minute

{

   return minute;

}

-(int)second

{

   return second;

}

@end

主函数

#import <Foundation/Foundation.h>

#import "Time4.h"

int main(int argc,constchar * argv[])

{

    @autoreleasepool {

       

        

       Time4 *time =[[Time4alloc]init];

        

        [time setHour:10andMinute:20andSecond:30];

       NSLog(@"%d:%d:%d",[timehour],[timeminute],[timesecond]);

        

        

    }

   return0;

}