?? mfindbynamecommand.java
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package cmd;import core.*;import db.*;import java.util.List;import javax.swing.JOptionPane;public class MFindByNameCommand extends MDatabaseCommand{ private static final String [] PARAM_NAMES = { "first", "last" }; private static final String [] PARAM_PROMPTS = { "Enter first name:", "Enter last name:" }; public MFindByNameCommand () throws java.io.IOException { super (); } public String [] getParameterNames () { return PARAM_NAMES; } public String [] getParameterPrompts () { return PARAM_PROMPTS; } protected void executeDatabaseCommand (HotelDB database) { String first = getParameter ("first"); String last = getParameter ("last"); List reservations = database.getReservations (last, first); displayResults ("Reservations for " + first + " " + last, reservations); } protected void displayResultsText (String title, List reservations) { System.out.println (title); if (reservations.size() > 0) DBUtilities.displayReservations (reservations); else System.out.println ("No reservations for: " + getParameter ("first") + " " + getParameter ("last")); } public String getMenuName () { return "Find By Name..."; } public String getName () { return "name"; } public String getDescription () { return "Finds a reservation by customer name"; } public Command makeInstance () { try { return new MFindByNameCommand (); } catch (java.io.IOException e) { return null; } }}?? 快捷鍵說明
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