Write a function named “createPurchaseOrder” that accepts the quantity (integer), the cost per item (double), and the description (string). It will return a newly created PurchaseOrder object holding that information if they are valid: quantity and cost per item cannot be negative and the description cannot be empty or blank(s). When it is invalid, it will return NULL to indicate that it cannot create such PurchaseOrder object. PurchaseOrder createPurchaseOrder(int quantity, double costPerItem, string description) { if(quantity < 0 || costPerItem < 0.0 || description == "") return NULL; else { PurchaseOrder p = new PurchaseOrder(quantity,costPerItem,description); return p; } } what's the issue with this function and how to rewrite it
Write a function named “createPurchaseOrder” that accepts the quantity (integer), the cost per item (double), and the description (string). It will return a newly created PurchaseOrder object holding that information if they are valid: quantity and cost per item cannot be negative and the description cannot be empty or blank(s). When it is invalid, it will return NULL to indicate that it cannot create such PurchaseOrder object. PurchaseOrder createPurchaseOrder(int quantity, double costPerItem, string description) { if(quantity < 0 || costPerItem < 0.0 || description == "") return NULL; else { PurchaseOrder p = new PurchaseOrder(quantity,costPerItem,description); return p; } } what's the issue with this function and how to rewrite it
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
C++
Write a function named “createPurchaseOrder” that accepts the quantity
(integer), the cost per item (double), and the description (string). It will return a
newly created PurchaseOrder object holding that information if they are valid:
quantity and cost per item cannot be negative and the description cannot be empty or blank(s). When it is invalid, it will return NULL to indicate that it cannot create such PurchaseOrder object.
PurchaseOrder createPurchaseOrder(int quantity, double costPerItem, string description)
{
if(quantity < 0 || costPerItem < 0.0 || description == "")
return NULL;
else
{
PurchaseOrder p = new PurchaseOrder(quantity,costPerItem,description);
return p;
}
}
what's the issue with this function
and how to rewrite it
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C+ user.cpp
C+
.cpp
G degree.cpp
G midtermpractice4.cpp
G• midtempractice3.cpp
G showHelp (1).cpp •
...
6
V OPEN EDITORS 6 UNSAVED
D: > G .cpp > O createPurchaseOrder(int, double, string)
PurchaseOrder createPurchaseOrder(int quantity, double costPerItem, string description)
{
if(quantity < e || costPerItem < 0.0 || description == "")
1
C+ user.cpp D:\
X & .cpp D:\
2
3
G+ degree.cpp D:\
return NULL;
G+ midtermpractice4.cpp D:\
else
T
G+ midtempractice3.cpp D:\
G• showHelp (1).cpp D:\
PurchaseOrder p = new PurchaseOrder(quantity,costPerItem, description);
7
G+ getnumlist (1).cpp D:\
E #include Untitled-3
return p;
E #include<iostream.h> Untitled-1
10
}
11
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Edit
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.cpp - Visual Studio Code
EXPLORER
C+ user.cpp
C+
.cpp
G degree.cpp
G midtermpractice4.cpp
G• midtempractice3.cpp
G showHelp (1).cpp •
...
6
V OPEN EDITORS 6 UNSAVED
D: > G .cpp > O createPurchaseOrder(int, double, string)
PurchaseOrder createPurchaseOrder(int quantity, double costPerItem, string description)
{
if(quantity < e || costPerItem < 0.0 || description == "")
1
C+ user.cpp D:\
X & .cpp D:\
2
3
G+ degree.cpp D:\
return NULL;
G+ midtermpractice4.cpp D:\
else
T
G+ midtempractice3.cpp D:\
G• showHelp (1).cpp D:\
PurchaseOrder p = new PurchaseOrder(quantity,costPerItem, description);
7
G+ getnumlist (1).cpp D:\
E #include Untitled-3
return p;
E #include<iostream.h> Untitled-1
10
}
11
v NO FOLDER OPENED
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E Code +v M
O ^ x
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OUTPUT
DEBUG CONSOLE
TERMINAL
You can clone a repository locally.
Windows PowerShell
Copyright (C) Microsoft Corporation. All rights reserved.
Clone Repository
Try the new cross-platform PowerShell https://aka.ms/pscore6
To learn more about how to use git
PS C:\Users\Dana Lam> cd "d:\" ; if ($?) { g++ .cpp -o }; if ($?) { .\ }
g++.exe: error: missing filename after '-o'
PS D:\> ]
and source control in VS Code read
our docs.
> OUTLINE
O 0 A 0
E Live Share
Ln 9, Col 6
Spaces: 4
UTF-8
CRLF
C++
Win32 F
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PurchaseOrder createPurchaseOrder(int quantity, double costPerItem, string description)
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if(quantity < ® || costPerItem < 0.0 || description
"")
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return NULL;
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{
PurchaseOrder p
return p;
}
}
15
16
new PurchaseOrder(quantity, costPerItem,description);
17
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input
stderr
Compilation failed due to following error(s).
10 | PurchaseOrder createPurchaseOrder(int quantity, double costPerItem, string description)
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