#import <UIKit/UIKit.h>
#import "AppDelegate.h"@interface Student : NSObject
//变量
@property NSString *name;
@property int age;
@property float score;//method
-(void)show;@end@implementation Student
-(void)show{NSLog(@"%@的年龄是%d成绩是%f", self.name, self.age, self.score);
}
@endint main(int argc, char * argv[]) {//alloc函数为队形分配内存空间，init函数会初始化函数对象Student *stu = [[Student alloc]init];stu.name = @"chenyu";stu.age = 25;stu.score = 100;[stu show];return 0;
}