- COVER PAGE
- TITLE PAGE
- COPYRIGHT PAGE
- DEDICATION
- FOREWORD
- ABOUT THE AUTHOR
- ACKNOWLEDGMENTS
- I. AN INTRODUCTION TO DESIGN PATTERNS
- II. UNIFIED MODELING LANGUAGE (UML)
- III. BASIC PATTERNS
- IV. CREATIONAL PATTERNS
- V. COLLECTIONAL PATTERNS
- 15. COMPOSITE
- 16. ITERATOR
- 17. FLYWEIGHT
- 18. VISITOR
- DESCRIPTION
- DEFINING NEW OPERATIONS ON THE OBJECT COLLECTION
- ADDING OBJECTS OF A NEW TYPE TO THE COLLECTION
- EXAMPLE
- DESIGN APPROACH I
- DESIGN APPROACH II
- DESIGN APPROACH III (COMPOSITE PATTERN)
- DESIGN APPROACH IV (THE VISITOR PATTERN)
- DEFINING A NEW OPERATION ON THE ORDER OBJECT COLLECTION
- ADDING A NEW ORDER TYPE TO THE COLLECTION
- PRACTICE QUESTIONS
- VI. STRUCTURAL PATTERNS
- VII. BEHAVIORAL PATTERNS
- VIII. CONCURRENCY PATTERNS
- IX. CASE STUDY
- X. APPENDICES
Table 16.1 Enumeration Methods
| Method | Return | Description |
| hasMoreElements() | boolean | Checks if there are more elements in the collection |
| nextElement() | Object | Returns the next element in the collection |
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