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Java Source | 1998-05-08 | 974 b | 38 lines |
- // Copyright(c) 1996,1997 ObjectSpace, Inc.
- import com.objectspace.jgl.*;
- import java.util.Enumeration;
-
- /**
- * Construction, enumeration, pushing, popping.
- *
- * @see com.objectspace.jgl.Queue
- * @version 3.0.0
- * @author ObjectSpace, Inc.
- */
-
- public class Queue1
- {
- public static void main( String[] args )
- {
- // Use an SList as the underlying data structure.
- Queue queue = new Queue();
- queue.push( "bat" );
- queue.push( "cat" );
- queue.push( "dog" );
-
- System.out.println( "Print the Queue." );
- System.out.println( queue );
- System.out.println();
-
- System.out.println( "Non-destructively enumerate the Queue." );
- Enumeration e = queue.elements();
- while ( e.hasMoreElements() )
- System.out.println( e.nextElement() );
- System.out.println();
-
- System.out.println( "Pop and print each element." );
- while ( !queue.isEmpty() )
- System.out.println( queue.pop() );
- }
- }
-