The parameter types should be shown too, for example deleteTransaction(index : int). For the return type, UML notation is slightly off from the way taught in class, should be ":" instead of ": :". For example, can should be deleteTransaction(index : int) : void.
The parameter types should be shown too, for example deleteTransaction(index : int). For the return type, UML notation is slightly off from the way taught in class, should be ":" instead of ": :". For example, can should be deleteTransaction(index : int) : void.