The protected keyword : Access Control « Class « Java

1. Java
2. Class
3. Access Control

The protected keyword

 
// : c06:Orc.java
// The protected keyword.
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.


class Villain {
  private String name;

  protected void set(String nm) {
    name = nm;
  }

  public Villain(String name) {
    this.name = name;
  }

  public String toString() {
    return "I'm a Villain and my name is " + name;
  }
}

public class Orc extends Villain {
  private int orcNumber;

  public Orc(String name, int orcNumber) {
    super(name);
    this.orcNumber = orcNumber;
  }

  public void change(String name, int orcNumber) {
    set(name); // Available because it's protected
    this.orcNumber = orcNumber;
  }

  public String toString() {
    return "Orc " + orcNumber + ": " + super.toString();
  }

  public static void main(String[] args) {
    Orc orc = new Orc("Limburger", 12);
    System.out.println(orc);
    orc.change("Bob", 19);
    System.out.println(orc);

  }
} ///:~



           
         
  

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