Interview Questions and Answers for 'Palantir' | Search Interview Question

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

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Q1. Difference between TreeMap and HashMap ?

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

What is comparator interface used for ?

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

a. HashMap
b. TreeMap
c. LinkedHashMap
d. LinkedMap

Which are the sorted collections ?

Which of the following collection maintain its elements in Natural Sorted order ?

How can we reverse the order in the TreeMap ?

TreeMap orders the elements on which field ?

How TreeMap orders the elements if the Key is a String ?

Can we add heterogeneous elements into TreeMap ?

Will it create any problem if We add elements with key as user defined object into the TreeMap ?

Q2. What are the types of authentication used in Web services ?

Web Service

Ans. Encrypted User Name / Password
Encrypted Password within Cookie
Encrypted Tokens
IP
Client Certificates
Oauth

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What are the supported user authentication methods and when would you use each one?

Explain the use of Client certificates for authentication ?

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