CareerCup

Design a System Which contains multiple components, And all components are in same Assembly. All These Components are independent.
Design a Communication System such that:-
a. Sender is Not Aware of Reciever
b. Any New Component Addition Should Not Change the System Implementation.
( I Guess Interviewer also Not aware What he was asking ;) :P When he told sender is not aware if receiver hehehe)

2. Design a System to Handle Different Type of Objects
And Perform an Operation on the Sender Object.
a. Design to scale , it should handle huge number of Different kind of objects.

Find Whether a Input string had Palindrome?
Example :
Input Samples : "1234xyzyx5678" , "abcdefeabc"
Output : A Bool Value, True if Contains a Palindrome , False otherwise. ( In this Example input string conatins "xyzyx" and efe" Palindrome respectively)

Design a Sudoko Game.