21162 - VictoriaBrown/MyProgrammingLab_Ch10 GitHub Wiki
QUESTION:
Regardles of its particular nature, all financial accounts provide a way to deposit and withdraw money. Define an interface Account that has two methods : deposit and withdraw, both of which accept a parameter of type Cash and return a boolean
CODE:
public interface Account {
	// deposit method:
	boolean deposit(Cash a);
	// withdraw method:
	boolean withdraw(Cash a);
}