java----面对对象

 面对对象：

public class Demo {
	public static void main(String[] args){
		Horse h = null;
		h = new Horse();
//		h.name = "dd";
		h.eat();
		h = null; //释放对象
	}
}

class Horse{
	String name;
	public void eat(){
		System.out.println(name);
	}
	
}