Basic Account to deposit and withdraw amount Program plan: Filename: “BankAccount.java” This program file is used to define a class “BankAccount”. In the code, Define a class “BankAccount”. Declare a class variable “balance”. Define a constructor “BankAccount()”. Initialize the “balance” as 0 Define a constructor “BankAccount()”. Set the value of “balance”. Define a method “deposit()”. Set the value of “newBalance”. Set the value of “balance”. Define a method “withdraw()”. Set the value of “newBalance”. Set the value of “balance”. Define a method “getBalance()”. Return the value of “balance”. Filename: “BasicAccount.java” This program file is used to define a class “BasicAccount” as extending from “BankAccount”. In the code, Define a class “BasicAccount”. Define a constructor “BasicAccount()”. Call the method “super()”. Define a method “withdraw()”. If the condition “getBalance()-amount<0” is true, Add 30 to “amount”. Invoke “withdraw()”. Filename: “BasicAccountTester.java” This program file is used to define a class “BasicAccountTester” to test the class “BasicAccount”. In the code, Define a class “BasicAccountTester”. Define a method “main()”. Declare an object of “BasicAccount()”. Call the method “withdraw()”. Call the method “getBalance()” and print the value. Print the expected value. Call the method “withdraw()”. Call the method “getBalance()” and print the value. Print the expected value. Call the method “withdraw()”. Call the method “getBalance()” and print the value. Print the expected value.

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Chapter 9, Problem 9PE

Program Plan Intro

Basic Account to deposit and withdraw amount

Program plan:

Filename: “BankAccount.java”

This program file is used to define a class “BankAccount”. In the code,

Define a class “BankAccount”.

Declare a class variable “balance”.

Define a constructor “BankAccount()”.

Initialize the “balance” as 0

Define a constructor “BankAccount()”.

Set the value of “balance”.

Define a method “deposit()”.

Set the value of “newBalance”.

Set the value of “balance”.

Define a method “withdraw()”.

Set the value of “newBalance”.

Set the value of “balance”.

Define a method “getBalance()”.

Return the value of “balance”.

Filename: “BasicAccount.java”

This program file is used to define a class “BasicAccount” as extending from “BankAccount”. In the code,

Define a class “BasicAccount”.

Define a constructor “BasicAccount()”.

Call the method “super()”.

Define a method “withdraw()”.

If the condition “getBalance()-amount<0” is true,

Add 30 to “amount”.

Invoke “withdraw()”.

Filename: “BasicAccountTester.java”

This program file is used to define a class “BasicAccountTester” to test the class “BasicAccount”. In the code,

Define a class “BasicAccountTester”.

Define a method “main()”.

Declare an object of “BasicAccount()”.

Call the method “withdraw()”.

Call the method “getBalance()” and print the value.

Print the expected value.

Call the method “withdraw()”.

Call the method “getBalance()” and print the value.

Print the expected value.

Call the method “withdraw()”.

Call the method “getBalance()” and print the value.

Print the expected value.

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