/**
 *  interface Account1Outline describes the basic structure of 
 *  a simlified bank account
 *  author: Irena Pevac 
 *  date June 10 2002
 */

public interface Account1Outline
{
    /*
     * @param   amount provides the amount of money to be deposited                                       
     * @return  nothing
     */
    void deposit(double amount);


    /*
     * @param   amount provides the amount of money to be withdrawn                                      
     * @return  nothing
     */
    void withdraw(double amount);


    /*
     * @param   none  
     * @functionality  prints report about the current state of the account                                                      
     * @return  nothing
     */
    void report();
}

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
import java.text.NumberFormat;
public class Account1 implements Account1Outline
{
   // instance variables 
   private String name;     // name of the account holder
   protected String ssn;      // social security number
   protected double balance;  // balance for the account
   protected NumberFormat fmt;

   //Constructor for objects of class Account1
   public Account1(String name, String ssn)
   {
      this.name=name;
      this.ssn=ssn;
      balance=0;
      System.out.println("New account created. SSN: " + ssn + ". BALANCE: "+
                                                      balance);
    }

    
    // Constructor for objects of class Account1
    public Account1(String name, String ssn, double initialBalance)
    {
       this.name=name;
       this.ssn=ssn;
       balance=initialBalance;
       System.out.println("New account created. SSN: " + ssn + 
                          ". BALANCE: "+ balance);
    }


     
     // method deposit adds ammount specified in the parameter list
     // to the current balance
     // @param  amount is amount to be added to the account's balance
     // @return nothing
     public void deposit(double amount)
     {
	balance += amount;
        System.out.println("SSN: "+ ssn+" account deposits " + amount);
     }


     // method withdraw subtracts the amount specified in the parameter list
     // from the current balance
     // @param  amount is amount to be withdrawn from the account's balance
     //	@return nothing

     public void withdraw(double amount)
     {
	if (balance>=amount)
        {
           balance -= amount;
           System.out.println("SSN: "+ ssn+" account withdraws " + 
                               amount);
        }
        else
           System.out.println("SSN: "+ ssn +" account has insufficient funds."+
                                          " Withdrawal denied.");
     }


     // method report prints account status 
     // @param  none
     // @return nothing
     public void report()
     { 
	System.out.print("NAME: \t"+ name);
        System.out.print("   SSN: \t"+ ssn);
        System.out.println("   BALANCE: \t"+ balance+ "\n");
     }

             
     // method getSSN returns ssn for this account
     // @param  none
     // @return ssn
     public String getSSN()
     {
	return ssn;
     }        
}

            

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
public class Account2 extends Account1 
{
	
     // Constructor for objects of class Account2
     public Account2(String aname, String assn)
     {
	super(aname, assn);
     }


     // Constructor for objects of class Account2
     public Account2(String aname, String assn, int startBalance)
     {  
	super(aname, assn, startBalance);
     }
  

     // method addInterest adds interest each day
     // @param  rate is interest rate for that day
     // @return nothing
     public void addInterest(double rate)
     {
	balance += balance*rate/365;
        System.out.println("SSN "+ ssn+ " account interest "+ 
                            balance*rate/365 + " added.");	
     }
} //end class Account2


//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
 *  class TestAccount2 
 * @author (Irena Pevac) 
 * @version (1)
 */
public class TestAccount2
{
      public static void main(String[] args) 
      {   
        System.out.println("BANK ACCOUNTS ACTIVITIES"+"\n");
        System.out.println("/////////////////////////////////  Day#1");
        Account2 billsAccount = new Account2("Bill Pierce", "111-11-1111");
        billsAccount.deposit(3000);
        billsAccount.addInterest(0.2);
        billsAccount.report();

        System.out.println("///////////////////////////////////  Day#2");
        Account2 tomsAccount = new Account2("Tom Jones", "312-66-1111", 300);
        tomsAccount.addInterest(0.21);
        billsAccount.addInterest(0.21);
        billsAccount.report();
        tomsAccount.report();
        
        System.out.println("///////////////////////////////////  Day#3");
        tomsAccount.addInterest(0.21);
        billsAccount.addInterest(0.21);
        billsAccount.report();
        tomsAccount.report();

      }
}