 | Let a UML Diagram capture the real world example of bank accounts stocks, mutual funds, and portfolios
 | List base class as Asset |
| Let Commodity extend Asset (there are 2 commodity types)
 | Stock extends Commodity (a leaf) |
| MutualFund extends Commodity (a leaf) |
|
| Let BankAccount extend Asset (a leaf) |
| Let Portfolio (a Composite) extend Asset
| Can store Stocks, BankAccounts, (leafs) or other Portfolios or MutualFunds (Composites)
because they are all assets |
|
| Place these methods in the correct place
listAll add getValue |
|
