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Q2351. Does it make sense to send someone's social security number as path parm in a get request ?

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Q2352. If a stack is implemented using an array, which end (head or tail) should represent the top ?

Data Structure

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Q2353. If a stack is implemented using linkedlist, which end (head or tail) should represent the top ?

Data Structure

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Q2354. Describe how a queue is usually created using sequential allocation.

Data Structure

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Q2355. What is the "multiplicative congruence" method for determining where an element belongs in a hash table ?

Data Structure

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Q2356. What is meant by Loosely coupled database design ?

Design

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Q2357. Which of the Java concepts do you believe have become less relevant with time ?

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Q2358. Which of the Core Java functions / packages / concept do you believe have become irrelevant in today's market ?

Core Java

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Q2359. Which spring boot version are you working with ?

Spring Boot

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Q2360. Which development methodology do you use ?

General

Ans. http://www.itinfo.am/eng/software-development-methodologies/

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Q2361. Are you involved in architecture and design ?

General

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Q2362. What are you using AWS lambda for ?

Amazon Web Services (AWS)

Ans. We are using it for computation (EC2) , Storage (S3) and Database (RDS)

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Q2363. Are you involved in getting business requirements ?

General

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Q2364. Do you have any problems with your team that you plan on changing ?

General

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Q2365. Have you ever faced challenged with your current work ?

General

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Q2366. What methodology and technology stack do you use ?

General

Ans. [Open Ended Answer]

Possible Answer - We are using Agile. We have daily standups, Bi weekly Backlog Grooming , Planning and Retrospective, We have a 2 week sprint and We use Jira for Scrum Management. We are using Java 8, Spring Boot, JSF , Apache Kafka , Soap as well as Rest Services.

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Q2367. Why you chose programming as your career ?

General

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Q2368. Explain your experience working on UI ?

General

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Q2369. Have you worked with JSF ?

General

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Q2370. How long will it take for you to join Canopy ?

General

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Q2371. What is the Big O notation for Fibonacci series - both iterative as well as recursive ?

Algorithm

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Q2372. Write code to see if a Linked List has cycle in it ?

or

Write code using Floyd Algorithm to see if a linked list has cycle in it ? What is it's comlexity ?

Algorithm

Ans. public class LinkedList {

Node start = null;
Node head = null;

class Node {
Integer body;
Node nextNode;

Node(Integer value) {
body = value;
}
}

public static void main(String[] args) {
LinkedList ll = new LinkedList();

ll.addNodeToEnd(5);
ll.addNodeToEnd(10);
ll.addNodeToEnd(15);

ll.traverse();

if(checkIfLoop(l1)){
System.out.println("There is a Loop");
} else {
System.out.println("No Loop");
}
}

private boolean checkifLoop(Test l1) {
Node slow = start;
Node fast = start;
Node faster = start;

while(slow != null ) {
fast = slow.nextNode;
faster = fast.nextNode;
if(slow == fast || slow == faster) {
return true;
}
slow = slow.nextNode;
}

return false;
}

}

Complexity of this algorithm is O(n)

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Q2373. What is the access time for ArrayList and LinkedList ?

Data Structure

Ans. O(1) for ArrayList
O(n) for LinkedList

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Q2374. What is the runtime complexity of appending strings to string object and Why ?

Algorithm

Ans. O(n^2) because each time a string is appended a new String is created and it runs through all the letters to copy them over.

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Q2375. Write code to reverse a C-Style String

Design

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Q2376. Design an algorithm and write code to remove the duplicate characters in a string without using any additional buffer.

Algorithm

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Q2377. Write a method that returns maximum depth of a tree ?

Algorithm

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Q2378. Given a sorted array, write an algorithm to create a binary tree.

Algorithm

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Q2379. Difference between Left and Inner Join ?

SQL

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Q2380. Write a method that takes a string as input and identifies if any permutation of the String is Palindrome ? For example - ttoobb has a permutation 'bottob' which is a palindrome.

Design

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