OnJava8-Examples/reuse/Orc.java at master · xinan-w/OnJava8-Examples · GitHub

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// reuse/Orc.java

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

// The protected keyword

class Villain {

private String name;

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

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

@Override 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;

}

@Override 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);

}

/* Output:

Orc 12: I'm a Villain and my name is Limburger

Orc 19: I'm a Villain and my name is Bob

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