PHchaekayeon
Grasshopper
Papaano maiayos po itong problem na ito?
interface HasWings {
public int getNumberOfWings();
}
abstract class Insect implements HasWings {
abstract int getNumberOfLegs();
}
public class Dragonfly extends Insect {
int getNumberOfLegs() {
return 6;
}
}
interface HasWings {
public int getNumberOfWings();
}
abstract class Insect implements HasWings {
abstract int getNumberOfLegs();
}
public class Dragonfly extends Insect {
int getNumberOfLegs() {
return 6;
}
}