| bank-account/bank-account-0a/bank-account.cs - Improved constructors in class BankAccount. | Lecture 3 - slide 27 : 29 Program 2  | 
using System;
public class BankAccount {
   private double interestRate;
   private string owner;
   private decimal balance;
   public BankAccount(string owner):
     this(owner, 0.0, 0.0M) {
   }
   public BankAccount(string owner, double interestRate):
     this(owner, interestRate, 0.0M) {
   }
   public BankAccount(string owner, double interestRate, 
                      decimal balance) {
      this.interestRate = interestRate;
      this.owner = owner; 
      this.balance = balance;
   }   
   public decimal Balance () {
      return balance;
   }
   public void Withdraw (decimal amount) {
      balance -= amount;
   }
   public void Deposit (decimal amount) {
      balance += amount;
   }
   public void AddInterests() {
      balance = balance + balance * (decimal)interestRate;
   }    
   public override string ToString() {
      return owner + "'s account holds " +
            + balance + " kroner";
   }
}