animal.java

项目实战

public abstract class Animal{
	boolean mammal;
	boolean carnivorous;
	int mood;
	public Animal(){
	}
	public Animal(boolean mammal,boolean carnivorous){
		this.mammal=mammal;
		this.carnivorous=carnivorous;
	}
	public boolean ismammal(){
		return mammal;
	}
	public boolean iscarnivorous(){
		return carnivorous;
	}
	public int getMood(){
		return mood;
	}
	public void setMood(int mood){
		this.mood=mood;
	}
	abstract public void sayHello();
}