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class Car {}
class FastCar extends Car {}
class Super {
Car getCar() {
return new Car();
}
}
class Sub extends Super {
FastCar getCar() {
return new FastCar();
}
}
public class CovBaseProgram01 {
public static void main(String[] argv) {
new CovBaseProgram01().run();
}
public void run() {
Super instance_super = new Super();
Sub instance_sub = new Sub();
Car c1 = instance_super.getCar();
Car c2 = instance_sub.getCar();
}
}
// FastCar is a subclass of Car.
// Sub is a subclass of Super.
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