print.java

学生信息管理系统

package homework;
import homework.command;
///班级：信计 01-2班     学号：01012218     姓名：武冬生

/**
 * Title:
 * Description:
 * Copyright:    Copyright (c) 2004
 * Company:
 * @author
 * @version 1.0
 */

public class print implements command
{
  public print()
  {
  }
  public void execute()
  {
  if(stulist.isEmpty())
    System.out.println("There is no record");
  else
    {
    for(int i=0;i<stulist.size();i++)
    {
    	stu student;
        student=(stu)stulist.elementAt(i);
        student.print();
        }
    }
  }
  public void undo()
  {
  }
  public void redo()
  {
  }
}