text: //
  //  People.h
  //  runtime
  //
  //  Created by 郜宇 on 16/6/14.
  //  Copyright © 2016年 郜宇. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  @interface People : NSObject
  
  @property (nonatomic, copy) NSString *name;
  @property (nonatomic, assign)NSUInteger age;
  
  
  - (NSDictionary *)allProperties;
  - (NSDictionary *)allIvars;
  - (void)allMethods;
  
  
  @end
  