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Interview Questions and Answers for 'Ion trading' - 2 question(s) found - Order By Newest

Very frequently asked. Favorite question in Walk in Drive of many Indian service companies.
  Q1. Difference between TreeMap and HashMap ?Core Java
Anonymous
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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Related Questions

  Which of the following collections stores its elements in insertion Order ?

a. HashMap
b. TreeMap
c. LinkedHashMap
d. LinkedMap
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 Q2. How to make sure that no request are lost in client server application ?Solution2017-01-11 15:47:15

Ans. By keeping some sort of storage at the client side for each request and then matching it up against the response received to make sure that the request was well received.

A queue can be used for this purpose.

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   Like      Discuss      Correct / Improve          ION Trading


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