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

Interview Questions and Answers - Order By Newest

Usually asked to entry level software developers.

Q11. Write a program to swap two variables without using third

Ans. public static void main(String[] args) {
   int num1 = 1;
   int num2 = 2;
   num1 = num1^num2;
   num2 = num1^num2;
   num1 = num1^num2;
   System.out.print("num1 = " + num1 +", num2 = "+num2);
}

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Q12. Which java frameworks have you used ?

General

Ans. I have primarily worked on Web applications and hence worked on Struts , Spring , Hibernate, JSF ( Java Server Faces ) , Velocity etc.

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Very Frequently asked to Senior Software Engineers or Developers.

Q13. Describe some of the Design Patterns you have used ?

Design

Ans. [Open Ended Answer]

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Q14. Which type of memory is cleaned / recovered by garbage collection - stack or heap ?

Core Java

Ans. Heap memory.

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Q15. What is abstraction ?

Design

Ans. Abstraction is a process of hiding the implementation details and describing only the functionality to the user.

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Very Frequently asked Spring question.

Q16. What is bean auto wiring?

Spring

Ans. The Spring container is able to autowire relationships between collaborating beans. This means that it is possible to automatically let Spring resolve collaborators (other beans) for your bean by inspecting the contents of the BeanFactory without using and elements.

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Frequently asked in Phone Interviews.

Q17. What the Bean scopes provided by Spring ?

Spring

Ans. Singleton , Prototype , Request , Session , global-session

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Frequently asked in Phone Interviews.

Q18. What are the various Auto Wiring types in Spring ?

Ans. By Name , By Type and Constructor.

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Q19. When should we use prototype scope and singleton scope for beans ?

Spring

Ans. We should use singleton scope for beans when they are stateless and prototype when they are stateful.

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Q20. Which Software Development methodology is being used in your current Job ?

General

Ans. We are using Agile methodology. I attend daily stand up where the development leads takes the status of assigned stories, achievements, any bottlenecks or challenges. We follow iteration of 2 weeks.

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Q21. What is your role in current position ?

General

Ans. I am working as a Software System Analyst that specializes in understanding Business Requirements, Analyzing them , Performs Cost / Benefit analysis, Make suggestions to business , translate the business requirements into technical requirements, Discuss their feasibility with the technical team, performs sizing in coordination with developers and prepare high level design document.

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Q22. Have you ever had any conflict with the team member (like disagreement on some design decision ) and How you reacted to it ?

General

Ans. [Open Ended Answer]

This is a very sensitive question and should be dealt with caution. Just simply saying that you never had any disagreement will present you as dumb team member. Showing your self as too aggressive in such decisions will present you as a trouble maker. You should present a situation where you had an argument / disagreement but eventually you and your team mates mutually found a way out of it.

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Q23. Explain the challenging problems you faced recently and how you overcame it ?

General

Ans. [Open Ended Answer]

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Frequently asked in face to face interviews.

Q24. Write a program to print fibonacci series.

Core Java

Ans. int count = 15;
int[] fibonacci = new int[count];
fibonacci[0] = 0;
fibonacci[1] = 1;
for(int x=2; x < count; x++){
fibonacci[x] = fibonacci[x-1] + fibonacci[x-2];
}

for(int x=0; x< count; x++){
System.out.print(fibonacci[x] + " ");
}

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Q25. Write a program for Coin Changer application ?

Ans. http://javasearch.buggybread.com/CodeSnippets/searchCodeSamples.php?&category=code&searchOption&keyword=979

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Q26. Explain what happens when insertion is performed in case of ArrayList and LinkedList.

Data Structure

Ans. Array List works on Array and when we add an element in middle of the list, Array List need to update the index of all subsequent elements. I the capacity is full, it even may need to move the whole list to a new memory location . Linked List works on Double linked list algorithm and all it has to do is to adjust the address of the previous and next elements.

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Q27. What is a Test Dependency Scope in Maven ?

Maven

Ans. This scope indicates that the dependency is not required for normal use of the application, and is only available for the test compilation and execution phases. This scope is not transitive.

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Q28. Difference between Array and ArrayList ?

Core Java

Ans. <a href="http://javahungry.blogspot.com/2015/03/difference-between-array-and-arraylist-in-java-example.html" rel="nofollow">http://javahungry.blogspot.com/2015/03/difference-between-array-and-arraylist-in-java-example.html</a>

Sample Code for ArrayList

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Frequently asked in Accenture.

Q29. What is your biggest achievement at work ?

General

Ans. [Open Ended Answer]

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Q30. What is Spring Boot ?

Spring Boot

Ans. Spring Boot is Springs convention-over-configuration solution for creating stand-alone, production-grade Spring-based Applications.

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Q31. What technical stuff you like to do in your free time ?

General

Ans. [Open Ended Answer]

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Q32. What was the most difficult task in your last job ?

General

Ans. [Open Ended Answer]

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Q33. What would you do if a customer asks you to make a change immediately that require some time for thinking and analysis ?

General

Ans. [Open Ended Answer]

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Q34. Explain your experience with Java, spring and web services?

General

Ans. Have worked on Java 7 and Java 8, In Java 8 , Worked with streams , lambda expression and default methods.

Have worked on both Spring Mvc and Spring Boot, using Spring dependency injection, Rest services , AOP , JDBC and Hibernate integration.

Have worked on Rest services using Spring and Spring Boot. Have worked on SOAP web services too.

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Q35. Why do you want to work here ?

General

Ans. I believe that the company would provide a good ground for my career growth and learning.

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Q36. Why do you wan to stay in IT ?

General

Ans. Coding , Science and Mathematics has always fascinated me. I have curious mindset that continuously look for solutions.

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Q37. Scale yourself on Java on the scale of 1 to 10

General

Ans. [Open Ended Answer]

The objective of the question is to check how efficient one is in the language so that appropriate level questions are asked. Don't tell too high number if you are being interviewed for a junior or mid level position as the interviewer may throw advance level questions.

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Q38. Do you use command aliases while doing your work ?

General

Ans. Yes , I have created many aliases and saved them within my .profile file so that the system loads them, the each time i logs onto the server.

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Q39. Describe a project that didn't go well and what did you learn from it?

General

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

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Q40. Where do you see yourself in next 5 years?

General

Ans. Sample Answers -

Getting better with upcoming technologies and be a Lead developer.

In accordance with the company, working as a permenant employee.

Be an associate architect.

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