command.java

用command模式写的一个简单的java 程序

/******************************************************************************
*  Filename    :Command.java(interface)
*  Description :Defines the behavior of a FileSystemShell command. 
*		The method execute(File, Vector) is how the FileSystemShell 
*		executes the command.
*
*  Author      :xunzy
*
*  History     :2004-02-16   Created
******************************************************************************/

import java.util.Vector;
import java.io.*;

public interface Command
{
    public void execute(File c, Vector v)
        throws CommandException;
        
    public void help();
    
}