GYQ7H3eQ

1package accounts;
2
3public abstract class Account {
4    protected int id;
5    protected double balance;
6    protected String name;
7    protected int accountNumber;
8    protected double maximumOverdraw;
9    protected double commissionPercentage;
10
11    public Account(int id,
12                   String name,
13                   int accountNumber,
14                   double maximumOverdraw,
15                   double commissionPercentage) {
16        this.id = id;
17        this.name = name;
18        this.accountNumber = accountNumber;
19        this.maximumOverdraw = maximumOverdraw;
20        this.commissionPercentage = commissionPercentage;
21    }
22
23    public boolean withdrawBalance(double amount) {
24        boolean result = false;
25        if (amount > 0) {
26            double tax = (amount / 100.00) * commissionPercentage;
27            double newBalance = this.balance - amount - tax;
28            if (newBalance < (this.maximumOverdraw * -1)) {
29                System.out.println("Failed your maximal overdraw is - " + this.maximumOverdraw);
30            } else {
31                this.balance = newBalance;
32                System.out.println("The operation was successful");
33                result = true;
34            }
35        } else {
36            System.out.println("The amount that was provided was negative");
37        }
38        return result;
39    }
40
41    public boolean addToBalance(double amount) {
42        boolean result = false;
43        if (amount < 0) {
44            System.out.println("The amount that was provided was negative");
45        } else {
46            double tax = (amount / 100.00) * commissionPercentage;
47            this.balance = this.balance + amount - tax;
48            System.out.println("The operation was successful");
49            result = true;
50        }
51        return result;
52    }
53
54    public double getBalance() {
55        return this.balance;
56    }
57
58    public int getAccountNumber() {
59        return this.accountNumber;
60    }
61}
62====================================================================================================================================
63package accounts;
64
65import util.CommissionPercentages;
66
67public class BusinessAccount extends LoanTakingAccount {
68    private String secretKey;
69
70    public BusinessAccount(int id, String name, int accountNumber, double maximumOverdraw) {
71        super(id, name, accountNumber, maximumOverdraw, CommissionPercentages.BUSINESS_COMMISSION_PERCENTAGE);
72    }
73
74    public String getSecretKey() {
75        return secretKey;
76    }
77
78    public void setSecretKey(String secretKey) {
79        this.secretKey = secretKey;
80    }
81
82    public void changeCommissionPercentage(double newValue) {
83        if (newValue < 0) {
84            System.out.println("The value was negative");
85        } else {
86            this.commissionPercentage = newValue;
87        }
88    }
89
90
91}
92=========================================================================================================================
93package accounts;
94
95import util.CommissionPercentages;
96
97public class StudentAccount extends LoanTakingAccount {
98    public StudentAccount(int id, String name, int accountNumber) {
99        super(id, name, accountNumber, 0, CommissionPercentages.STUDENT_COMMISSION_PERCENTAGE);
100    }
101
102}
103==================================================================================================
104package accounts;
105
106public class LoanTakingAccount extends Account {
107    public LoanTakingAccount(int id, String name, int accountNumber, double maximumOverdraw, double commissionPercentage) {
108        super(id, name, accountNumber, maximumOverdraw, commissionPercentage);
109    }
110    public boolean takeALoan(double amount) {
111        boolean result = false;
112        if (amount <0) {
113            System.out.println("The amount provided is negative");
114        } else {
115            result = true;
116        }
117        return result;
118    }
119}
120================================================================================================
121package accounts;
122
123import util.CommissionPercentages;
124
125public class RegularAccount extends LoanTakingAccount {
126    public RegularAccount(int id, String name, int accountNumber, double maximumOverdraw) {
127        super(id, name, accountNumber, maximumOverdraw, CommissionPercentages.REGULAR_COMMISSION_PERCENTAGE);
128    }
129}
130======================================================================================================
131package accounts;
132
133import util.CommissionPercentages;
134
135public class YoungAccount extends Account {
136    public YoungAccount(int id, String name, int accountNumber) {
137        super(id, name, accountNumber, 0, CommissionPercentages.YOUNG_COMMISSION_PERCENTAGE);
138    }
139}
140============================================================================================================
141import accounts.BusinessAccount;
142import accounts.RegularAccount;
143import accounts.StudentAccount;
144import accounts.YoungAccount;
145import bank.Bank;
146
147public class Program {
148    public static void main(String[] args) {
149        Bank bank = new Bank(4);
150        StudentAccount studentAccount = bank.openStudentAccount(325478516, "Gogo");
151        RegularAccount regularAccount = bank.openRegularAccount(354653156, "Lolo", 10000);
152        BusinessAccount businessAccount =bank.openBusinessAccount(654785478,"Momo",5000);
153        YoungAccount youngAccount =bank.openYoungAccount(254784152,"Koko");
154
155        bank.printAllBankAccountsWithNegativeBalance();
156        regularAccount.withdrawBalance(7000);
157        bank.printAllBankAccountsWithNegativeBalance();
158    }
159}
160