JAVA程序实现,求助`~~~~~~~~~~~~~~~

*********************父类文件：Animal.java**************************
public abstract class Animal {
private boolean isLive = true;

public AnimalCharater character = new AnimalCharater();

public boolean isLive() {
return isLive;
}

public void setDeath() {
isLive = false;
}

public Animal() {
isLive = true;
}

abstract void beDied();

public class AnimalCharater {
private String color = "Red";

public void setColor(String color) {
this.color = color;
}

public String getColor() {
return color;
}
}

}

*****************接口文件：AnimalAbility.java*******************
public interface AnimalAbility {
abstract void move();
}

*********************子类文件：Fish.java