Array Customer Order Instances

Order class

////Order.h#import<Foundation/Foundation.h>#import "Customer.h"@interfaceOrder:nsobject@property (nonatomic)intoid; @property (nonatomic,strong) NSString*Name: @property (nonatomic,strong) Customer*customer;@end////ORDER.M#import "Order.h"@implementationOrder-(nsstring*) description{return[NSString stringWithFormat:@"%d,%@", _oid,_name];}@end

Customer class

////Customer.h#import<Foundation/Foundation.h>@interfaceCustomer:nsobject@propertyintCID; @property (nonatomic,strong) NSString*Name: @property (nonatomic,strong) NSString*Email: @property (nonatomic,strong) NSString*address;@end////CUSTOMER.M#import "Customer.h"@implementationCustomer-(nsstring*) description{return[NSString stringWithFormat:@"%d,%@,%@,%@", _cid,_name,_email,_address];}@end

Manage customer and order classes

////CustomerAndOrderManager.h//array of customer orders////Created by MAC on 15/12/15.//copyright©2015 year MAC. All rights reserved.//#import<Foundation/Foundation.h>#import "Customer.h"#import "Order.h"@interfaceCustomerandordermanager:nsobject@property (nonatomic,strong) Nsmutablearray*customerlist, @property (nonatomic,strong) Nsmutablearray*orderlist;//1. Managing Customers-(void) Addcustomer: (customer*) C;-(void) DeleteCustomer: (customer*) C;-(customer*) Getcustomerbyid: (int) Cid1;-(void) Listcustomer;//2. Manage Orders-(void) AddOrder: (order*) O;-(void) Deleteorder: (order*) O;-(nsarray*) Getorderbycustomer: (customer*) C;-(void) Listorder;@end////CUSTOMERANDORDERMANAGER.M//array of customer orders////Created by MAC on 15/12/15.//copyright©2015 year MAC. All rights reserved.//#import "CustomerAndOrderManager.h"@implementationCustomerandordermanager-(instancetype) init{if(self=[Super Init]) {Self.customerlist= [Nsmutablearray arraywithcapacity:Ten]; Self.orderlist= [Nsmutablearray arraywithcapacity:Ten]; }    returnSelf ;}//1. Managing Customers-(void) Addcustomer: (customer*) c{[self.customerlist addobject:c];}-(void) DeleteCustomer: (customer*) c{[self.customerlist removeobject:c];}-(customer*) Getcustomerbyid: (int) cid1{ for(Customer *cinchself.customerlist) {if(c.cid==cid1) {            returnC; }    }    returnNil;}-(void) listcustomer{ for(Customer *cinchself.customerlist) {NSLog (@"%@", c); }}//2. Manage Orders-(void) AddOrder: (order*) o{[self.orderlist addobject:o];}-(void) Deleteorder: (order*) o{[self.orderlist removeobject:o];}-(nsarray*) Getorderbycustomer: (customer*) c{Nsmutablearray*a =[[Nsmutablearray alloc]init];  for(Order *oinchself.orderlist) {if(o.customer==c)        {[a addobject:o]; }    }    returnA;}-(void) listorder{ for(Order *oinchself.orderlist) {NSLog (@"%@", O); }}@end

The implementation class. m

////main.m//array of customer orders////Created by MAC on 15/12/15.//copyright©2015 year MAC. All rights reserved.//#import<Foundation/Foundation.h>#import "Order.h"#import "Customer.h"#import "CustomerAndOrderManager.h"intMainintargcConst Char*argv[]) {@autoreleasepool {Customer*C1 =[Customer Alloc]init]; Customer*C2 =[Customer Alloc]init]; Customer*C3 =[Customer Alloc]init]; Order*o1 =[[Order alloc]init]; Order*o2 =[[Order alloc]init]; Order*o3 =[[Order alloc]init]; Customerandordermanager*a =[[Customerandordermanager alloc]init]; C1.cid= -; C1.name=@"Xiaowang"; C1.email=@"[email protected]"; C1.address=@"625"; //Add to Customer list[a addcustomer:c1]; C2.cid= -; C2.name=@"Xiaohei"; C2.email=@"[email protected]"; C2.address=@"624"; //Add to Customer list[a addcustomer:c2]; C3.cid= A; C3.name=@"Xiaobai"; C3.email=@"[email protected]"; C3.address=@"623"; //Add to Customer list[a addcustomer:c3]; O1.customer=C1; O1.oid=1001; O1.name=@"Shampoo"; //Add to order list[a addorder:o1]; O2.customer=C2; O2.oid=1002; O2.name=@"Washing Powder"; //Add to order list[a addorder:o2]; O3.customer=C1; O3.oid=1005; O3.name=@"Washingpowder";        [A ADDORDER:O3]; //Traverse all orders and customers[a listcustomer];        [A listorder]; //Query CID for 20 of customer informationCustomer *c=[a Getcustomerbyid: -]; NSLog (@"%@", c);//        //Delete Customer//[a deletecustomer:c1];//[a listcustomer];NSLog (@"------------"); //Check all orders from CustomersNsarray *array =[a getorderbycustomer:c1]; NSLog (@"%@", array);        [A DELETEORDER:O3];                                            [A listorder]; }    return 0;}

Array Customer Order Instances