2015-04-20 15:36:01 -07:00
|
|
|
|
//: polymorphism/StaticPolymorphism.java
|
2015-05-29 14:18:51 -07:00
|
|
|
|
// <20>2015 MindView LLC: see Copyright.txt
|
2015-04-20 15:36:01 -07:00
|
|
|
|
// Static methods are not polymorphic.
|
|
|
|
|
|
|
|
|
|
class StaticSuper {
|
|
|
|
|
public static String staticGet() {
|
|
|
|
|
return "Base staticGet()";
|
|
|
|
|
}
|
|
|
|
|
public String dynamicGet() {
|
|
|
|
|
return "Base dynamicGet()";
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
class StaticSub extends StaticSuper {
|
|
|
|
|
public static String staticGet() {
|
|
|
|
|
return "Derived staticGet()";
|
|
|
|
|
}
|
2015-05-05 11:20:13 -07:00
|
|
|
|
@Override
|
2015-04-20 15:36:01 -07:00
|
|
|
|
public String dynamicGet() {
|
|
|
|
|
return "Derived dynamicGet()";
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public class StaticPolymorphism {
|
|
|
|
|
public static void main(String[] args) {
|
|
|
|
|
StaticSuper sup = new StaticSub(); // Upcast
|
2015-05-06 12:09:38 -07:00
|
|
|
|
System.out.println(StaticSuper.staticGet());
|
2015-04-20 15:36:01 -07:00
|
|
|
|
System.out.println(sup.dynamicGet());
|
|
|
|
|
}
|
|
|
|
|
} /* Output:
|
|
|
|
|
Base staticGet()
|
|
|
|
|
Derived dynamicGet()
|
|
|
|
|
*///:~
|