Chapter 3, Problem 7PE

Program Plan Intro

BankAccountTester class

Program plan:

BankAccount.java:

• Define the class “BankAccount”.
  • Declare the variable “balance”.
  • Define a default constructor.
    • Initialize the balance amount.
  • Define a parameterized constructor.
    • Initialize the balance amount.
  • Give function definition “withdraw ()” to withdraw amount from the account.
    • Check if “amount” is greater than “balance”.
      • Return “false”.
        • Reduce the withdrawn amount from the main balance.
        • Return “true”.
  • Give function definition to return the balance amount.
    • Return “balance”.
  • Give function definition to add the interest to the balance.
    • Calculate the balance and return it.

BankAccountTester.java:

• Define the class “BankAccountTester”.
  • Define the method “main ()”.
    • Create an object for the “BankAccount” class and initialize the balance amount.
    • Add the interest rate by using the function “addInterest ()”.
    • Withdraw 500 from the balance using “withdraw ()” method.
    • Again withdraw 400 from the balance using “withdraw ()” method.
    • Finally, print the expected result.