Overview: A new bank wants to make a simple application to keep track of all accounts and transactions. In this TMA, it is required to help the bank manager implement the required application. Requirements: After a quick meeting with the bank manager, you got the following information: It is required to store all bank accounts in one collection and all the transactions happened in another collection. Each account has a unique account number, a holder and balance. There is a specific prefix (common for all accounts) that should be added to the holder's civil id to create the unique account number. In addition, it is not allowed for a holder to have more than one account. Furthermore, only three transactions are allowed on any account: deposit, withdrawal and transfer money to another account. Each holder has a unique civil ID (national id), a name and other attributes (add at least 2 attributes from your choice). For each transaction, it is required to store the account(s) affected, amount of money, date, and if they are successful. There are 3 types of transactions: deposit, withdrawal and transfer. Moreover, you have been informed that the following operations happen frequently: Creating a new account Deposit money into a specified account Withdrawal money from a specified account Transfer money between two specified accounts Printing details of the transaction where the maximum amount of money has been transferred between 2 accounts • Saving all accounts and transactions into a text file. For accounts, they should be sorted in ascending order (according to the civil id) Analysis: There are common attributes and methods between the three types of transactions. What is the best choice for designing and writing their codes? Explain your answer. Draw a simple class diagram showing only relationships between the classes. Implementation: After analysing the given requirements, implement the required application: with Object Oriented Programming style • following the rules of good programming style (e.g. adding comments, etc.) using only the material covered in M251 (and its prerequisites)
Overview: A new bank wants to make a simple application to keep track of all accounts and transactions. In this TMA, it is required to help the bank manager implement the required application. Requirements: After a quick meeting with the bank manager, you got the following information: It is required to store all bank accounts in one collection and all the transactions happened in another collection. Each account has a unique account number, a holder and balance. There is a specific prefix (common for all accounts) that should be added to the holder's civil id to create the unique account number. In addition, it is not allowed for a holder to have more than one account. Furthermore, only three transactions are allowed on any account: deposit, withdrawal and transfer money to another account. Each holder has a unique civil ID (national id), a name and other attributes (add at least 2 attributes from your choice). For each transaction, it is required to store the account(s) affected, amount of money, date, and if they are successful. There are 3 types of transactions: deposit, withdrawal and transfer. Moreover, you have been informed that the following operations happen frequently: Creating a new account Deposit money into a specified account Withdrawal money from a specified account Transfer money between two specified accounts Printing details of the transaction where the maximum amount of money has been transferred between 2 accounts • Saving all accounts and transactions into a text file. For accounts, they should be sorted in ascending order (according to the civil id) Analysis: There are common attributes and methods between the three types of transactions. What is the best choice for designing and writing their codes? Explain your answer. Draw a simple class diagram showing only relationships between the classes. Implementation: After analysing the given requirements, implement the required application: with Object Oriented Programming style • following the rules of good programming style (e.g. adding comments, etc.) using only the material covered in M251 (and its prerequisites)
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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