Interview Solution

One of the main causes of the fall of the Roman Empire was that–lacking zero–they had no way to indicate successful termination of their C programs. Robert Firth

Remove Duplicate

Language Java | Level Intermediate | Category Interview Problems | July 24, 2015 4:52 pm

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Interview Problem

Remove duplicate in given string.
Write program to remove duplicate characters using hash map
Example:-
Given string "hello" return "helo"


Output

   					 
Before remove duplicate:hello
after remove duplicate:helo

				    

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