Account.java

import java.util.*;
public class Account
{
    private String name;
    private String uuid;
    private User holder;
    private ArrayList<Transaction> transactions;

    public Account(String name,User holder,Bank theBank)
    {
	this.name=name;
	this.holder=holder;

	this.uuid=theBank.getNewAccountUUID();

	this.transactions=new ArrayList<Transaction>();

	//add to holder and bank lists

       
    }

    public String getUUID()
    {
	return this.uuid;
    }

    public String getSummaryLine()
    {
	//get the accounts balance

	double balance=this.getBalance();


	//format the summaryline  depending whether the balance is negative

	if(balance >=0)
	    {
		return String.format("%s : $%.02f : %s", this.uuid,balance,this.name);
	    }else{
	    return String.format("%s : $(%.02f) : %s",this.uuid,balance,this.name);
	}
    }

    public double getBalance(){
	double balance =0;
	for(Transaction t: this.transactions){
	    balance +=t.getAmount();
	}

	return balance;
    }

    public void printTransHistory(){
	System.out.printf("\nTransaction history for account %s\n",this.uuid);

	for(int t=this.transactions.size()-1;t>=0;t--)
	    {
		System.out.println(this.transactions.get(t).getSummaryLine());
	    }
	System.out.println();
    }

    public void addTransaction(double amount, String memo)
    {
	//create new transaction object and add it to our list


	Transaction newTrans=new Transaction(amount,memo,this);
	this.transactions.add(newTrans);
    }
	
}