学习笔记--getter and setter

方法名注意

-(void) sum:(int) a addNext: (int)b minus: (int) c;

//People.h

#import <Foundation/Foundation.h>

@interface People:NSObject

{

float _height;

NSString *_name;

int _age;

}

-(void)setHeight:(id)height;

-(id)height;

-(void)setName:(id)name;

-(id)name;

-(void)setAge:(int)age;

-(int)age;

@end

//People.m

#import  "People.h"

@implementation People

-(void)setHeight:(id)height{

_height = height;

}

-(id)height{

return _height;

}

-(void)setName:(id)name{

_name = name;

}

-(id)name{

return _name;

}

-(void)setAge:(int)age{

_age = age;

}

-(int)age{

return _age;

}

@end

入口类省略