/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
class Animal{
   public void move(){
      System.out.println("动物可以移动");
   }
}
 
class Dog extends Animal{
   public void move(){
      System.out.println("狗可以跑和走");
   }
}
 
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
		System.out.println("hello, 爱看书的小沐 2022");  
		System.out.println("Hickory,dickory,dock,");  
		System.out.println("The mouse ran up the clock,");  
		System.out.println("The clock struck one,");  
 
		Dog d = new Dog();
		d.move();
	}
}

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