Designing the Public Interface of a Class: Method Definition

• access specifier (such as public)
• return type (such as String or void)
• method name (such as deposit)
• list of parameters (double amount for deposit)
• method body in { }

• public void deposit(double amount) { . . . }
• public void withdraw(double amount) { . . . }
• public double getBalance() { . . . }