// Fig. 17.11: StackInheritanceTest.java
// Class StackInheritanceTest.
import com.deitel.jhtp7.ch17.StackInheritance;
import com.deitel.jhtp7.ch17.EmptyListException;

public class StackInheritanceTest 
{
   public static void main( String args[] )
   {
      StackInheritance stack = new StackInheritance();  

      // use push method
      stack.push( -1 );
      stack.print();
      stack.push( 0 );
      stack.print();
      stack.push( 1 );
      stack.print();
      stack.push( 5 );
      stack.print();

      // remove items from stack
      try 
      {
         Object removedObject = null;

         while ( true ) 
         {
            removedObject = stack.pop(); // use pop method
            System.out.printf( "%s popped\n", removedObject );
            stack.print();
         } // end while
      } // end try
      catch ( EmptyListException emptyListException ) 
      {
         emptyListException.printStackTrace();
      } // end catch
   } // end main
} // end class StackInheritanceTest


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