Interview Question and Answers | Search Coding Interview Questions

Interview Questions and Answers - Order By Newest

Q2751. Can we create object in static block ?

^{This question was recently asked at 'DXC Technologies'.This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve Asked in 1 Companies}

Q2752. What are the different ways to create objects in Java ?

Core Java

Ans. 1. Using new operator
3. Using Class.forName or Reflection
4. Using clone
5. Using Deserialization

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve Asked in 1 Companies}

Q2753. What will happen if there are no enums in Java ?

Core Java

Ans. Enums in Java is a facility to have objects upfront and use them as constants. Even if such a facility is not available , a workaround could be achieved.

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve enum}

Q2754. What will happen if there are no collections in java ?

Core Java

Ans. Collections in Java is nothing but a library implementation for data structures and algorithm. If it's not available , we might have to include some other library or provide our own implementation.

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve collections}

Q2755. What is input Stream ?

Core Java

^{This question was recently asked at 'SQUAD Infotech'.This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve stream inout output inour stream Asked in 1 Companies}

Q2756. Can comments be added in JSON ?

JSON

Ans. No, It should all be data.

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve Markup languages}

Q2757. How to calculate distance between 2 points using latitude longitude ?

Algorithm

^{This question was recently asked at 'Trimble'.This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve Asked in 1 Companies}

Q2758. Why did you apply for this position?

General

^{This question was recently asked at 'NIC inc'.This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve Asked in 1 Companies}

Q2759. How to parse nested json object ?

JSON

Ans. JSONObject jsonChildObject = (JSONObject)jsonObject.get("LanguageLevels");

for (Map.Entry in jsonChildOBject.entrySet()) {
System.out.println("Key = " entry.getKey() ", Value = " entry.getValue());
}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve json nested json Asked in 1 Companies}

Q2760. Explain different inheritance mapping strategies with JPA / Hibernate.

Hibernate

Ans. table per hierarchy
table per concrete class
table per sub class

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve hibernate mapping hibernate associations Asked in 4 Companies}

Q2761. what is salesforce ?

SalesForce

Ans. Salesforce is the cloud based #1 CRM (Customer Relationship Management)

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve}

Q2762. A customer has a website which is accessible over the Internet and he wants to secure the communication and decides to implement HTTPS instead of HTTP. He has configured EC2 instance behind an ELB. Where should you configure the SSL certificate?

Amazon Web Services (AWS)

^{This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve}

Q2763. With regards to VPC, what is the default maximum number of virtual private gateways allowed per region?

Amazon Web Services (AWS)

Ans. 5

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve aws vpc}

Q2764. What is elasticity in relation to Cloud infrastructure ?

Cloud Computing

Ans. The power to scale computing resources up and down easily with minimal friction

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve Amazon Web Service (AWS) Google Cloud Platform (GCP)}

Q2765. How many requests per second can Amazon CloudFront handle?

Amazon Web Services (AWS)

Ans. 10000

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve aws cloudfront amazon cloudfront}

Q2766. Which is the best approach that provides the lowest cost for Amazon elastic block store snapshots while giving you the ability to fully restore data?

aws ebs

Ans. Maintain the most current snapshot; archive the original and increment to Amazon Glacier.

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve aws ebs volume snapshot}

Q2767. Pascal Triangle Program

Ans. package snippet;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class Pascal {
   public static void main(String[] args) {

      System.out.println(generatePascalTriangle(5));

   }

   static Map> generatePascalTriangle(int size) {
      Map> triangle = new HashMap<>();

      triangle.put(0, Arrays.asList(1));
      triangle.put(1, Arrays.asList(1, 1));

      for (int i = 2; i <= size; i ) {
         List coeffListForI = new ArrayList<>();
         List coeffListForI_1 = triangle.get(i - 1);
         coeffListForI.add(1);
         for (int j = 0; j <= coeffListForI_1.size() - 2; j ) {
            coeffListForI.add(coeffListForI_1.get(j) coeffListForI_1.get(j 1));
         }
         coeffListForI.add(1);
         triangle.put(i, coeffListForI);
      }

      return triangle;
   }
}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve Asked in 8 Companies}

Q2768. What is Queue ?

Data Structure

^{This question was recently asked at 'Unisys'.This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve Asked in 1 Companies}

Q2769. Explain Spring mvc.

Spring

^{This question was recently asked at 'Esoft Services'.This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve Asked in 1 Companies}

Q2770. What is the objective of enabling versioning on a s3 bucket ?

Amazon Web Services (AWS)

Ans. So that it doesn't overwrite the existing file with the same name and maintain versioning of it.

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve AWS S3}

Q2771. Which IAM policy condition key should be used if you want to check whether the request was sent using SSL?

Amazon Web Services (AWS)

Ans. AWS: secure transport

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve aws security aws iam amazon iam}

Q2772. Which AWS service is a task coordinator and state management service for cloud applications.

Amazon Web Services (AWS)

Ans. Amazon SWF

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve}

Q2773. What are the IP address mechanisms supported by ELB?

Amazon Web Services (AWS)

Ans. IPv4 and IPv6

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve Elastic Load Balance AWS Load balancing aws elb amazon elb}

Q2774. Which ELB component is responsible for monitoring the Load Balancers?

Amazon Web Services (AWS)

Ans. Controller Service

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve AWS Controller Service aws elb amazon elb aws load balancing elastic load balancer}

Q2775. What is the default limit on number of EC2 instances in each region ?

Amazon Web Services (AWS)

Ans. 20

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve EC2 aws ec2 aws computing amazon cloud computing amazon ec}

Q2776. What is the scale of durability in Amazon S3?

Amazon Web Services (AWS)

Ans. 99.999999999%

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve aws s3 aws storage amazon cloud storage amazon s3}

Q2777. How will you upload a file greater than 100 megabytes in Amazon S3?

Amazon Web Services (AWS)

Ans. AWS now allows file upto 5GB in S3

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve aws s3 aws storage amazon cloud storage amazon s3}

Q2778. Can we do Cross Region replication in Amazon S3 without enabling versioning on a bucket?

Amazon Web Services (AWS)

Ans. Yes

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve aws s3 aws storage amazon cloud storage amazon s3}

Q2779. What are the different types of actions in Object Lifecycle Management in Amazon S3?

Amazon Web Services (AWS)

^{This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve aws s3 aws storage amazon cloud storage amazon s3}

Q2780. What is Geo Targeting in Amazon CloudFront?

Amazon Web Services (AWS)

Ans. Geo Targeting will the users country of origin and pass along with country code to you in the cloudFront viewer country header.

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve aws cloudfront amazon cloudfront}

Search Interview Questions

Help us and Others Improve. Please let us know the questions asked in any of your previous interview.