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HorrorShow.java
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93 lines (69 loc) · 1.75 KB
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package interfaces;
import java.util.*;
/**
* RUN:
* javac interfaces/HorrorShow.java && java interfaces.HorrorShow
* OUTPUT:
* DragonZilla menace()
* DragonZilla menace()
* DragonZilla destroy()
* VeryBadVampire menace()
* VeryBadVampire menace()
* VeryBadVampire destroy()
* VeryBadVampire kill()
*/
public class HorrorShow {
static void u(Monster b) {
b.menace();
}
static void v(DangerMonster d) {
d.menace();
d.destroy();
}
static void w(Lethal l) {
l.kill();
}
public static void main(String[] args) {
DangerMonster barney = new DragonZilla();
u(barney);
v(barney);
Vampire vlad = new VeryBadVampire();
u(vlad);
v(vlad);
w(vlad);
}
}
interface Monster {
void menace();
}
interface DangerMonster extends Monster {
void destroy();
}
interface Lethal {
void kill();
}
class DragonZilla implements DangerMonster {
public void menace() {
System.out.println(getClass().getSimpleName()+" menace()");
}
public void destroy() {
System.out.println(getClass().getSimpleName()+" destroy()");
}
}
interface Vampire extends DangerMonster, Lethal {
void drinkBlood();
}
class VeryBadVampire implements Vampire {
public void menace() {
System.out.println(getClass().getSimpleName()+" menace()");
}
public void destroy() {
System.out.println(getClass().getSimpleName()+" destroy()");
}
public void kill() {
System.out.println(getClass().getSimpleName()+" kill()");
}
public void drinkBlood() {
System.out.println(getClass().getSimpleName()+" drinkBlood()");
}
}