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java-design-patterns/iterator
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Narendra Pathai 2aa9e78ddd
Minor refactorings and code style changes (#807) 
* Made minor changes in some patterns such as removed throws clause where not needed, changed incorrect order of arguments in assertEquals

* Minor refactorings and code style changes. 1) Removed several use of raw types 2) Removed unnecessary throws clauses 3) Used lambda expressions wherever applicable 4) Used apt assertion methods for readability 5) Use of try with resources wherever applicable 6) Corrected incorrect order of assertXXX arguments

* Removed unused import from Promise

* Addressed review comments

* Addressed checkstyle issue
2018-10-23 13:45:41 +05:30
..
etc
Refactored App.java to remove duplicate code and elegantly demonstrate each implementation of the Iterator interface. Removed the redundant ItemIterator interface. Added insert() method to TreeNode class to allow for more elegant construction of BSTs.
2018-08-25 18:49:43 -04:00
src
Minor refactorings and code style changes (#807)
2018-10-23 13:45:41 +05:30
pom.xml
Set version for next development iteration
2018-09-30 21:05:57 +03:00
README.md
#190 Remove pumlids from readmes
2017-11-28 21:28:53 +02:00

README.md

layout, title, folder, permalink, categories, tags
layout title folder permalink categories tags
pattern Iterator iterator /patterns/iterator/ Behavioral
Java
Difficulty-Beginner
Gang Of Four

Also known as

Cursor

Intent

Provide a way to access the elements of an aggregate object sequentially without exposing its underlying representation.

alt text

Applicability

Use the Iterator pattern

  • to access an aggregate object's contents without exposing its internal representation
  • to support multiple traversals of aggregate objects
  • to provide a uniform interface for traversing different aggregate structures

Real world examples

Credits