jlab0501_3.java

华中科技大学JAVA课程所有实验源码及截图 本校的同学可以不用辛苦地敲键盘了 外校同学可以看看

class Pet{
	protected String name;
	public Pet(String n){
		name=n;
	}
public String getName(){
	return name;	
  }
  public String move(){
  	return "run";
  }	
  public String speak(){
  	return"";
  }
  public String toString(){
  	return "My pet"+name;
  }
}
class Dog extends Pet{
	protected int weight;
	  public Dog(String s){
	  	super(s);
	  }
	  public String speak(){
	  	return "Woof Woof";
	  }
}
class JLab0501_3{
	public static void main(String[] args){
		Pet myPet=new Pet("George");
		Dog myDog=new Dog("Spot");
System.out.println(myPet.toString()+"\n"+"Speak:"+myPet.speak()+"\n"+myPet.move()+" "+myPet.getName()+"\n");
System.out.println(myDog.toString()+"\n"+"Speak:"+myDog.speak()+"\n"+myDog.move()+" "+myDog.getName()+"\n");
	}
}