bldemo.java

来自「java 完全探索的随书源码」· Java 代码 · 共 43 行

// BLDemo.java

import java.awt.*;

class BLDemo extends Frame
{
   final static int NOGAPS = 0;
   final static int GAPS = 1;

   BLDemo (String title, int gapsOption)
   {
      super (title);

      if (gapsOption == GAPS)
          setLayout (new BorderLayout (10, 10));
      else
          setLayout (new BorderLayout ());

      add (new Button ("North"), "North");
      add (new Button ("South"), BorderLayout.SOUTH);
      add (new Button ("Center"), "Center");
      add (new Button ("West"), BorderLayout.WEST);
      add (new Button ("East"), "East");

      setSize (250, 250);
      setVisible (true);
   }

   public static void main (String [] args)
   {
      int option = NOGAPS;

      for (int i = 0; i < args.length; i++)
           if (args [i].equalsIgnoreCase ("GAPS"))
               option = GAPS;
           else
           if (args [i].equalsIgnoreCase ("NOGAPS"))
               option = NOGAPS;

      new BLDemo ("BorderLayout Demo", option);
   }
}