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Copy pathHorrorShow.java
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executable file
·58 lines (45 loc) · 1 KB
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package interfaces;
//通过接口继承来扩展接口
interface Monster {
void menace();
}
interface DangerousMonster extends Monster {
void destroy();
}
interface Lethal {
void kill();
}
class DragonZilla implements DangerousMonster {
public void menace() {}
public void destroy() {}
}
interface Vampire extends DangerousMonster , Lethal {
void drinkBlood();
}
class VeryBadVampire implements Vampire {
public void menace() {}
public void destroy() {}
public void kill() {}
public void drinkBlood() {}
}
class BadVampire extends DragonZilla implements Lethal{
public void kill() {
}
}
public class HorrorShow {
static void u(Monster b) { b.menace(); }
static void v(DangerousMonster d) {
d.menace();
d.destroy();
}
static void w(Lethal l) { l.kill(); }
public static void main(String[] args) {
DangerousMonster barney = new DragonZilla();
u(barney);
v(barney);
Vampire vlad = new VeryBadVampire();
u(vlad);
v(vlad);
w(vlad);
}
} ///:~