Mutator Methods

Introduction: 5.5.0

• set methods correspond with get methods to change the value of a private variable
  • also called mutator methods
  • these are void
  • take a parameter to change the private value

public class House {
    private String address;

    public void setAddress(String a) {
        address = a;
    }
}

Summary: 5.5.2

• a void method doesn’t return a value
  • header contains void before the method name
• a mutator method is a void method which changes the value of member variables