abstract class Fruits {
public abstract String getName();
}
class Human {
void eat(Fruits food) {
System.out.println("吃了一个" + food.getName());
}
}
public class Demo {
public static void main(String[] args) {
Human tom = new Human();
tom.eat(new Fruits() {
public String getName() {
return "苹果";
}
});
tom.eat(new Fruits() {
public String getName() {
return "香蕉";
}
});
}
}
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