OC-Simple design of classes with enum and struct

#import <Foundation/Foundation.h>

@interface car:nsobject{

@public

int _wheels;

int _speed;

}

-(void) run;

@end

@implementation Car

-(void) run{

NSLog (@ "%d wheels, with a speed of%d cars running up", _wheels, _speed);

}

@end

void Test1 (Car *newcar) {

Newcar->_wheels = 5;

}

void Test2 (Car *newcar);

int main (int argc, const char * argv[]) {

Car *C1 = [[Car alloc] init];

Car *C2 = [[Car alloc] init];

Test1 (C1);

Test2 (C2);

[C1 run];

[C2 Run];

return 0;

}

void Test2 (Car *newcar) {

Newcar->_wheels = 4;

Newcar->_speed = 300;

}

*/

/*

#import <Foundation/Foundation.h>

@interface persons:nsobject{

@public

NSString *_name;

int _age;

}

-(void) print;

@end

@implementation Persons

-(void) print{

NSLog (@ "name =%@, age =%d", _name, _age);

}

@end

void Sett (Persons *p);

int main (int argc, const char * argv[]) {

Persons *p = [[Persons alloc] init];

Sett (p);

[P print];

return 0;

}

void Sett (Persons *p) {

P->_name = @ "Jerry";

P->_age = 15;

}

*/

#import <Foundation/Foundation.h>

typedef enum{

Sexman,

Sexwoman

} Sex;

typedef enum{

Colorblue,

Colorwhite,

Colorblack,

Colorgreen,

Colorred,

Colororange

} Color;

typedef struct{

int year;

int month;

int day;

} Date;

@interface Person:nsobject

@property NSString *name;

@property int age;

@property sex sex;

@property Color Favcolor;

@property Date birthday;

-(void) print;

@end

@implementation person

-(void) print{

NSLog (@ "name =%@, age =%d, sex =%d, Favcolor =%d, birthday =%d-%d-%d", _name, _age, _sex, _favcolor, _birthday.year, _birthday.month, _birthday.day);

}

@end

int main (int argc, const char * argv[]) {

Person *p = [[Person alloc] init];

P.name = @ "Jerry";

P.age = 10;

P.sex = Sexman;

P.favcolor = Colorwhite;

Date D = {2015, 7, 21};

P.birthday = D;

[P print];

return 0;

}

OC-Simple design of classes with enum and struct