// Fig. 19.12: StackCompositionTest.java
// Class StackCompositionTest

// Deitel packages
import com.deitel.jhtp4.ch19.StackComposition;
import com.deitel.jhtp4.ch19.EmptyListException;

public class StackCompositionTest {

   // test class StackComposition
   public static void main( String args[] )
   {
      StackComposition stack = new StackComposition();  

      // create objects to store in the stack
      Boolean bool = Boolean.TRUE;
      Character character = new Character( '$' );
      Integer integer = new Integer( 34567 );
      String string = "hello";

      // use push method
      stack.push( bool );
      stack.print();
      stack.push( character );
      stack.print();
      stack.push( integer );
      stack.print();
      stack.push( string );
      stack.print();

      // remove items from stack
      try {

         // use pop method
         Object removedObject = null;

         while ( true ) {
            removedObject = stack.pop();
            System.out.println( removedObject.toString() +
               " popped" );
            stack.print();
         }
      }

      // catch exception if stack empty when item popped
      catch ( EmptyListException emptyListException ) {
         emptyListException.printStackTrace();
      }

   }  // end method main

}  // end class StackCompositionTest



/**************************************************************************
 * (C) Copyright 2002 by Deitel & Associates, Inc. and Prentice Hall.     *
 * All Rights Reserved.                                                   *
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