study_objc4/objc4-750/objc-test/Peoples.h

//
//  Peoples.h
//  objc-test
//
//  Created by huangyirong on 2020/4/3.
//

#import "People.h"

NS_ASSUME_NONNULL_BEGIN

@interface Peoples : People
@property (nonatomic,strong)NSString *age;
@end

NS_ASSUME_NONNULL_END