title: What would be the appropriate patterns?
body: <p>Recently i faced an interview.I answered some questions well.For some questions,without knowing answer also,i answered as if i were aware of the answer.one of such question is to find out the matching pattern of the following. </p>
  
  <p>Don't laugh at my answers.Just i tried my level best at interview.</p>
  
  <hr>
  
  <pre><code>  Item                      Pattern
  </code></pre>
  
  <hr>
  
  <pre><code>1) Iterator                  Behavior
  
  2) Event                     Publisher/Subscriber
  
  3) Delegate                  Callback 
  
  4) Callback                 Function chaining
  
  5) Garbage Collection       B-Tree
  
  6) Threading               Producer-Consumer
  
  7) String                  builder
  
  8) StringBuilder           builder
  
  9) Expression Tree         builder
  
  10) Lambda                  callback
  
  11) Webservice              Service Oriented Architecture
  
  12) Stack                   LIFO /Datastructure  
  
  13) Queue                   FIFIO/Datastructure
  
  14) Regular Expression      Wild card mapping pattern
  
  15) WCF                     SOA/Communication Pattern
  
  16) foreach                 behavior
  </code></pre>
  
  <p>I really thing some of the items do not related to pattern.What would be your answer,suppose you face such  questions?</p>