?? orc.java
字號:
//: reusing/Orc.java
// The protected keyword.
import static net.mindview.util.Print.*;
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);
print(orc);
orc.change("Bob", 19);
print(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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