Complete the constructor of the SavingsAccount class that is a subclass of the BankAccount class.

Complete the following file:

SavingsAccount.java

/** An account that earns interest at a fixed rate. */ public class SavingsAccount extends BankAccount { private double interestRate; /** Constructs a bank account with a given interest rate. @balance initialBalance the initial balance @param rate the interest rate */ public SavingsAccount(double initialBalance, double rate) { // your work here } /** Adds the earned interest to the account balance. */ public void addInterest() { double interest = getBalance() * interestRate / 100; deposit(interest); } // This method checks your work. Do not modify it. public static double check(double initialBalance, double rate) { SavingsAccount account = new SavingsAccount(initialBalance, rate); account.addInterest(); return account.getBalance(); } }

Use the following file:

BankAccount.java

/**
   A bank account has a balance that can be changed by 
   deposits and withdrawals.
*/
public class BankAccount
{  
   private double balance; 

   /**
      Constructs a bank account with a zero balance.
   */
   public BankAccount()
   {  
      balance = 0;
   }

   /**
      Constructs a bank account with a given balance.
      @param initialBalance the initial balance
   */
   public BankAccount(double initialBalance)
   {  
      balance = initialBalance;
   }
 
   /**
      Deposits money into the bank account.
      @param amount the amount to deposit
   */
   public void deposit(double amount) 
   {  
      balance = balance + amount;
   }

   /**
      Withdraws money from the bank account.
      @param amount the amount to withdraw
   */
   public void withdraw(double amount) 
   {  
      balance = balance - amount;
   }

   /**
      Gets the current balance of the bank account.
      @return the current balance
   */
   public double getBalance()
   {  
      return balance; 
   }
}