banking.java

Java程序设计高级教程（第三版）

package examples.threads.bank;

/** 
  * A class to demonstrate wait and notify methods
  */
public class Banking {
   /** The test method for the class
     * @param args[0] Time in seconds for which
     *    this banking process should run
     */
   public static void main( String[] args ) {
      BankAccount ba = new BankAccount();

      // create the spender thread
      Spender spenderThread = new Spender( ba );

      // create the saver thread which is a two-step
      // process because Saver implements Runnable
      Saver aSaver = new Saver( ba );
      Thread saverThread = new Thread( aSaver );

      spenderThread.start();
      saverThread.start();

      int time;
      if ( args.length == 0 ) {
         time = 10000;
      } else {
         time = Integer.parseInt( args[0] ) * 1000;
      }
         
      try {
         Thread.currentThread().sleep( time );
      } catch ( InterruptedException iex ) {
         /* ignore it */
      }
      // close the bank account
      ba.close();      
   }
}