Write full code for the classes represented in the UML diagram below. Keep the methods as short as possible.                                 Bank Account                #balance: double                +BankAccount()                 +BankAccount(acctBalance: double)                +deposit (amount: double): void                +withdraw (amount: double): void                +getBalance() : double                                    ^                                    |                                    |                        SavingsAccount -interestRate: double +SavingsAccount() +SavingsAccount(acctBalance: double, rate: double) +addInterest: void

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