// Fig. 17.11: StackCompositionTest.java
// Class StackCompositionTest
import com.deitel.jhtp2.ch17.StackComposition;
import com.deitel.jhtp2.ch17.EmptyListException;

public class StackCompositionTest {
   public static void main( String args[] )
   {
      StackComposition objStack = new StackComposition();  

      // Create objects to store in the stack
      Boolean b = new Boolean( true );
      Character c = new Character( '$' );
      Integer i = new Integer( 34567 );
      String s = new String( "hello" );

      // Use the push method
      objStack.push( b );
      objStack.print();
      objStack.push( c );
      objStack.print();
      objStack.push( i );
      objStack.print();
      objStack.push( s );
      objStack.print();

      // Use the pop method
      Object removedObj = null;

      try {
         while ( true ) {
            removedObj = objStack.pop();
            System.out.println( removedObj.toString() + " popped" );
            objStack.print();
         }
      }
      catch ( EmptyListException e ) {
         System.err.println( "\n" + e.toString() );
      }
   }
}