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Interview Questions and Answers for 'Technologie' - 305 question(s) found - Order By Rating

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 Q1. Can you explain integration between Spring and Hibernate ?Hibernate
 This question was recently asked at 'HCL Technologies'.This question is still unanswered. Can you please provide an answer.


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   Like         Discuss         Correct / Improve     Spring framework  Hibernate Orm     Asked in 1 Companies


 Q2. differences between drop , delete and truncateDatabase
 This question was recently asked at 'HCL Technologies'.This question is still unanswered. Can you please provide an answer.


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   Like         Discuss         Correct / Improve          Asked in 1 Companies


 Q3. How to deploy spring boot application without restart in prod envSpring Boot
 This question was recently asked at 'HCL Technologies'.This question is still unanswered. Can you please provide an answer.


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 Q4. Hash map using/without using Java 8Core Java
 This question was recently asked at 'HCL Technologies'.This question is still unanswered. Can you please provide an answer.


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 Q5. Rest API crud operation using spring bootSpring Boot
 This question was recently asked at 'HCL Technologies'.This question is still unanswered. Can you please provide an answer.


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   Like         Discuss         Correct / Improve          Asked in 1 Companies


 Q6. What is difference between Echo and Print ?
Ans. echo and print statements both are similar there is a slight difference between those both are output statements echo has no return value while print has value 1 echo takes multiple parameters but print takes one argument

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 Q7. How do you use cut command in unix ?Unix
Ans. cut command is used to extract the given number of characters and columns from a file

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   Like         Discuss         Correct / Improve          Asked in 1 Companies


 Q8. What is stress testing ?Testing
Ans. Stress testing is a software testing activity that determines the robustness of software by testing beyond the limits of normal operation.

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 Q9. What if we use all access specifiers ? Is it encapsulation ?Core Java
 This question was recently asked at '3 Embeded Software Technologies'.This question is still unanswered. Can you please provide an answer.


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 Q10. What are the best strategies to improve code readability ? General
Ans. https://dzone.com/articles/10-tips-how-to-improve-the-readability-of-your-sof

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   Like         Discuss         Correct / Improve          Asked in 2 Companies


 Q11. JWT internal working
 This question was recently asked at 'HCL Technologies'.This question is still unanswered. Can you please provide an answer.


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 Q12. Linked List related questions.Data Structure
 This question was recently asked at 'Compro Technologies'.This question is still unanswered. Can you please provide an answer.


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 Q13. What is runtime Polymorphism ?Design
 This question was recently asked at 'OFS Technologies'.This question is still unanswered. Can you please provide an answer.


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 Q14. Difference between Query param and path param ?
 This question was recently asked at 'GSpann Technologies, Motorola Solutions'.This question is still unanswered. Can you please provide an answer.


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   Like         Discuss         Correct / Improve          Asked in 2 Companies


 Q15. Write SQL query to join 2 tables ?SQL
Ans. Select * from table1 join Select * from table2

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   Like         Discuss         Correct / Improve     database     Asked in 1 Companies


 Q16. Difference between interface and inheritanceCore Java
 This question was recently asked at 'HCL Technologies'.This question is still unanswered. Can you please provide an answer.


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 Q17. What are the 22 possible values of x where x== -x (true) ?Core Java
Ans. byte x = 0;
short x = 0;
char x = 0;
int x = 0;
int x = Integer.MIN_VALUE;
float x = 0.0f;
float x = -0.0f;
long x = 0;
long x = Long.MIN_VALUE;
double x = 0.0;
double x = -0.0;
Byte x = 0;
Short x = 0;
Character x = 0;
Integer x = 0;
Integer x = Integer.MIN_VALUE;
Float x = 0.0f;
Float x = -0.0f;
Long x = 0L;
Long x = Long.MIN_VALUE;
Double x = 0.0;
Double x = -0.0;

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 Q18. What is cluster ?
 This question was recently asked at 'idealake information technologies'.This question is still unanswered. Can you please provide an answer.


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 Q19. Can a constructor be declared static ? Why ?Core Java
Ans. No.

When we declare a method static, it means that "this belongs to class as whole and not particular instance". The whole purpose of constructor is to initialize a object and hence there is no sense having static constructor.

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   Like         Discuss         Correct / Improve     constructor  static  static constructor     Asked in 1 Companies


 Q20. Can constructors be final ?Core Java
Ans. No. They are never inherited and therefore are not subject to hiding or overriding.

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   Like         Discuss         Correct / Improve     constructor  final  final constructor     Asked in 1 Companies


 Q21. Describe AWS VPC and subnets.Amazon Web Services (AWS)
Ans. VPC stands for Virtual Private Cloud. You can define a VPC and subnets for a region in AWS and that can be used to access shared resources on the cloud. For eg: API gateway to access any file on S3.

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   Like         Discuss         Correct / Improve     aws vpc  aws subnets     Asked in 3 Companies


 Q22. What are the different Route53 routing policies ?Amazon Web Services (AWS)
Ans. Simple
Weighted
Latency
Failover
GeoLocation
Multivalue

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   Like         Discuss         Correct / Improve     aws route53     Asked in 1 Companies


 Q23. Difference between List and ArrayList ?Core Java
Ans. List is an interface whereas ArrayList is an implementation of List.

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   Like         Discuss         Correct / Improve     list  arraylist  list vs arraylist  difference between  collections     Asked in 2 Companies      basic


 Q24. What is the name of DNS service provided by AWS ?Amazon Web Services (AWS)
Ans. Route 53

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   Like         Discuss         Correct / Improve     AWS DNS  aws Route 53     Asked in 4 Companies


 Q25. what is the difference between RC and webdriverWebDriver
 This question was recently asked at 'HCL Technologies'.This question is still unanswered. Can you please provide an answer.


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 Q26. what are the different status of a defect in Jira ?Jira
Ans. Open, In Progress, Reopened, Closed, Resolved

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 Q27. what is the testcase techniqueTesting
 This question was recently asked at 'HCL Technologies'.This question is still unanswered. Can you please provide an answer.


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 Q28. Explain different inheritance mapping strategies with JPA / Hibernate.Hibernate
Ans. table per hierarchy
table per concrete class
table per sub class

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


 Q29. 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

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 Q30. Can we create object in static block ?Core Java
 This question was recently asked at 'DXC Technologies'.This question is still unanswered. Can you please provide an answer.


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