ios笔记一(面向对象编程)

时间:2023-03-10 03:07:55
ios笔记一(面向对象编程)
#import <Foundation/Foundation.h>
#import "Person.h" int main (int argc, const char * argv[]) {
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init]; // insert code here...
NSLog(@"Hello, World!");
Person *person = [[Person alloc] initWithAge: identify:];
NSLog(@"person.age:%d",[person getAge]);
int age = ;
[person setAge:age];
NSLog(@"person.age:%d",[person getAge]);
[person setAge:++age];
NSLog(@"person.age: %d",[person getAge]);
[pool drain];
return ;
}
#import <Foundation/Foundation.h>

@interface Person : NSObject {
int identify;
int age;
}
- (id) initWithAge:(int) _age identify:(int) _identify;
- (int) getIdentify;
- (int) getAge;
- (void) setAge:(int) _age;
@end
#import "Person.h"

@implementation Person

- (id) initWithAge:(int) _age identify:(int) _identify
{
if (self = [super init]) {
age = _age;
identify = _identify;
}
return self;
} - (int) getIdentify
{
return identify;
} - (int) getAge
{
return age;
} - (void) setAge:(int) _age
{
age = _age;
} @end