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Interview Questions and Answers for 'MakeMyTrip' - 5 question(s) found - Order By Newest | ||||
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Ans. They are different the way their elements are stored in memory. TreeMap stores the Keys in order whereas HashMap stores the key value pairs randomly. | ||||
Sample Code for treemap Sample Code for hashmap | ||||
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Like Discuss Correct / Improve  java   collections   map   treemap   hashmap   treemap vs hashmap Asked in 31 Companies basic   frequent | ||||
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Ans. ConcurrentHashMap is a hashMap that allows concurrent modifications from multiple threads as there can be multiple locks on the same hashmap. | ||||
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Like Discuss Correct / Improve  java   collections   hashmap   map   concurrenthashmap   concurrenthashmap  concurrency   general electric   ge Asked in 32 Companies   rare | ||||
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Ans. private static boolean isPalindrome(String str) { if (str == null) return false; StringBuilder strBuilder = new StringBuilder(str); strBuilder.reverse(); return strBuilder.toString().equals(str); } | ||||
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Like Discuss Correct / Improve  java   string   stringbuilder   stringbuilder   string class   code   palindrome Asked in 38 Companies Basic   frequent | ||||
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Ans. http://stackoverflow.com/questions/18799591/print-natural-sequence-with-help-of-2-threads1-is-printing-even-and-2nd-is-pri | ||||
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Like Discuss Correct / Improve  print natural numbers with two threads   multithreading   multi threading   threads   code   coding   makemytrip.com | ||||
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Ans. http://www.geeksforgeeks.org/find-duplicates-in-on-time-and-constant-extra-space/ | ||||
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Like Discuss Correct / Improve  algorithm   program   code   coding  makemytrip.com | ||||