对象4



package com.ufe01;

public interface Inter {
 public abstract void teacher();

}

package com.ufe01;

public class Test {
 public static void main(String[] args) {
  //多态的方式创建一个普通狗
  Laoshi a = new Basic();
  a.prelect();
  Basic d = (Basic)a;
  
  System.out.println("------------------");
  //创建一个跳高狗
  TeacherBasic jd = new TeacherBasic();
  jd.prelect();
  jd.teacher();
 }

}