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Identify the Code Smells

• Can you identify the code-smell?
• How will you Refactor it?

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• How can I use circle, square, triangle and any shape that comes in future to draw?
• How can I draw pictures that are composed from triangles, squares, or circles or any future shape?
• I want to make sure that always circles are drawn first, squares are second and triangles are third?

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Thread-Safe Counter (Java)

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Paper, Scissor, Rock (C#)

Problem Statement

Two players choose one of rock, paper and scissors after counting to three and making one of these gestures:

• A clenched fist representing a rock.

• A flat hand representing a piece of paper.

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Shapes Refactoring (C#)

                          +---------------+
                          |    Shape3d    |
                          +---------------+
                          | SurfaceArea() |<-------------------------------+
                          | Volume()      |                                |
                          +---------------+                                |
                                  ^                                        |

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Smelly Locks (C#)

• Create a Console app project.
• Make Sure that the code compiles and runs.
• If you are within a proxy, you can do it programmatically like this:

  System.Net.WebRequest.DefaultWebProxy = new WebProxy(ip,port); 
  

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Smelly ODBC Code (C#)

You can use any DB Server for creating the Feedback Table. To help with MySQL database:

• Run the ddl.sql
• Run the dml.sql

NOTE: For other databases, please consult the respective help.

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Logger Refactoring (C#)

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Bank Maker-Checker Refactoring (C#)

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SMS and Email Notification (Scala)

Notification.scala contains all the necessary implementations and a couple of missing ones. Using Scala's Futures implement the problem parts below:

• Part 1

  • Send notification for debit or credit transactions on a customer’s bank account.
  • Implement either credit or debit operation.
  • You must send both the messages SMS and Email upon a successful transaction.

• Part 2