given a string and a pattern having wildcard that holds characters of the given string, you need to tell the count of characters its holding, this was simple but 1 case they used made no sense what so ever.
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Nothing such difficult. He started from basics and then covered almost everything from threading to collections dynamic mapping . Servlets and JSP questions were also asked.
Given a binary tree, a node is visible if the value it holds is no greater than all the values along the path from the root. Write pseudo-code for an efficient algorithm to find the number of visible nodes in this tree.
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OOP Question, data structure, SQL(Joins), coding question, add two number(numbers in the string type)
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