task: Explanations and grammar fixes for all the GoF patterns (#1791)
* Grammatical fixes to command pattern * Update bridge pattern readme * Fixes to builder pattern grammar * Update chain of responsibility * Improvements to the composite example * Fixes to headings * Minor updates to decorator pattern * Update facade * Update factory example * Update factory method * Update flyweight * Interpreter explanation * Update iterator readme * Add explanation for mediator pattern * Grammatical fixes to memento * Grammar fixes for observer * Update explanation for the prototype pattern * Proxy pattern grammar fixes * Update singleton * Grammar fixes to state pattern * Grammar fixes for strategy * Grammar fixes, template method * Grammar fixes for visitor * Fix typo
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@ -19,10 +19,10 @@ underlying representation.
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## Explanation
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Real world example
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Real-world example
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> Treasure chest contains a set of magical items. There multiple types of items such as rings,
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> potions and weapons. The items can be browsed by type using an iterator the treasure chest
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> potions, and weapons. The items can be browsed by type using an iterator the treasure chest
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> provides.
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In plain words
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@ -113,7 +113,7 @@ public interface Iterator<T> {
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}
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```
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In the following example we iterate through the ring type items found in the chest.
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In the following example, we iterate through the ring-type items found in the chest.
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```java
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var itemIterator = TREASURE_CHEST.iterator(ItemType.RING);
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@ -145,7 +145,7 @@ Use the Iterator pattern
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* [How to Use Iterator?](http://www.tutorialspoint.com/java/java_using_iterator.htm)
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## Real world examples
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## Known uses
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* [java.util.Iterator](http://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html)
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* [java.util.Enumeration](http://docs.oracle.com/javase/8/docs/api/java/util/Enumeration.html)
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