Interview Questions and Answers - Order By Rating        Q151. If you are given a stack trace , what would you look for ?  
  This question was recently asked at 'Mcleod Software'.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   Q152. If you see a terrible code, Would you rewrite it. If yes , Why ?  
  This question was recently asked at 'McLead Software'.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   Q153. What would you do if your rest services aren't responding fast enough ?  Rest 
  This question was recently asked at 'Symantec,Barclays'.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 2 Companies   Q154. What kind of deployable is created for the angular project ?  Angular Js 
  This question was recently asked at 'Barclays'.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   This question was recently asked at 'Barclays'.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        Google Cloud Platform (GCP)  Amazon Web Services (AWS)      Asked in 1 Companies   Q156. What is JUnitRunner ?  JUnit 
Ans. A JUnit Runner is a class that extends JUnit’s abstract Runner class and it is responsible for running JUnit tests.   Help us improve. Please let us know the company, where you were asked this question   :       Like            Discuss            Correct / Improve              Asked in 1 Companies   Q157. What are FPGA's ?  
  This question was recently asked at 'Intel'.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   Q158. How do you achieve String immutability ?  Core Java 
  This question was recently asked at 'Polaris'.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   Q159. Can we override behavior of a collection class ? How ?  Core Java 
Ans. Yes. We can do that. 
 
1. We can create own own implementation class extending the collection class and then override the behavior method. 
 
2. We can override the behavior at the time of instantiation of class as following 
 
List<MyType> list = new ArrayList<MyType>() { 
    public boolean add(MyType mt) { 
         super.add(mt); 
         Collections.sort(list, comparator); 
         return true; 
    } 
};   Help us improve. Please let us know the company, where you were asked this question   :       Like            Discuss            Correct / Improve        collections  Q160. Explain Rest architecture  Rest 
  This question was recently asked at 'Motorola Solutions,DXC Technology'.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 2 Companies   Q161. What is the logic behind the shuffle in Music player ? 
 
or  
 
Explain Music player shuffle algorithm.  Algorithm 
  This question was recently asked at 'ASG Sweden'.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   Q162. Explain memory leaks and how to prevent them.  
  This question was recently asked at 'Polaris'.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        memory leak      Asked in 1 Companies Ans. Message queues implement an asynchronous communication pattern between two or more processes/threads whereby the sending and receiving party do not need to interact with the message queue at the same time. Messages placed onto the queue are stored until the recipient retrieves them. Message queues have implicit or explicit limits on the size of data that may be transmitted in a single message and the number of messages that may remain outstanding on the queue.   Help us improve. Please let us know the company, where you were asked this question   :       Like            Discuss            Correct / Improve        message queue      Asked in 1 Companies   Q164. How to track immediate parent of the child in selenium using xpath?  Selenium 
Ans. Using ./   Help us improve. Please let us know the company, where you were asked this question   :       Like            Discuss            Correct / Improve              Asked in 1 Companies   Q165. Why Spring boot is preferred over Spring MVC ?  
Ans. Spring Boot aims to shorten the code length and provide you with the easiest way to develop a web application. It helps create a stand-alone application with less or almost zero-configuration.   Help us improve. Please let us know the company, where you were asked this question   :       Like            Discuss            Correct / Improve              Asked in 1 Companies   This question was recently asked at 'Herbinger Group'.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   Q167. Find the second largest array element without sorting?  Design 
Ans. We initialize two variables first and second to INT_MIN as, 
   first = second = INT_MIN 
then Start traversing the array, 
 If the current element in array say arr[i] is greater 
      than first. Then update first and second as, 
      second = first 
      first = arr[i] 
 If the current element is in between first and second, 
      then update second to store the value of current variable as 
      second = arr[i] 
then Return the value stored in second.   Help us improve. Please let us know the company, where you were asked this question   :       Like            Discuss            Correct / Improve              Asked in 1 Companies   Q168. Difference between constructor and method ?  
  This question was recently asked at 'Fog Creek,IBM India,Cubic,Zymergen,Parexel '.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 5 Companies   Q169. 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.   Help us improve. Please let us know the company, where you were asked this question   :       Like            Discuss            Correct / Improve              Asked in 1 Companies   Q170. 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.   Help us improve. Please let us know the company, where you were asked this question   :       Like            Discuss            Correct / Improve              Asked in 1 Companies   Q171. Difference between class and object with example.  Core Java 
  This question was recently asked at 'TalenPace'.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   Q172. What are the mutable and immutable data types ?  
  This question was recently asked at 'Technicolor,Velotio'.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 2 Companies   Q173. What happens when exceptions are not handled ?  
Ans. Program / Thread Termination   Help us improve. Please let us know the company, where you were asked this question   :       Like            Discuss            Correct / Improve              Asked in 3 Companies   Q174. Why in Java does it require "static" in the main function?  Core Java 
Ans. Because there needs to be a starting point till when there is no object created in memory and hence it needs to be run in static scope   Help us improve. Please let us know the company, where you were asked this question   :       Like            Discuss            Correct / Improve              Asked in 1 Companies   Q175. Difference between List and LinkedList ?  Core Java 
Ans. A List is an child interface of collection interface in java where as Linked list is and implementation class of List interface which has doubly linked as a underlying data structure   Help us improve. Please let us know the company, where you were asked this question   :       Like            Discuss            Correct / Improve        linkedlist  list vs linkedlist      Asked in 1 Companies   Q176. What are the technologies you would like to work on ?  General 
Ans. Java 7 , SQL Server   Help us improve. Please let us know the company, where you were asked this question   :       Like            Discuss            Correct / Improve              Asked in 2 Companies   Q177. Have you ever walked out of an interview ? Why ?  General 
  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          Q178. Give an example wherein you recommended some solution that fixed the problem in a much easier way ?  General 
  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          Q179. Give an example of a time when you recommended code changes in a code review that simplified the code ?  Code Review 
Ans. If there is a situation to remove duplicates values from an arrayList. Developer implemented using legacy for-loop where I suggested to use Linked hash set to remove duplicates from the list.   Help us improve. Please let us know the company, where you were asked this question   :       Like            Discuss            Correct / Improve        Clean code      Asked in 3 Companies   Q180. 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    Help us improve. Please let us know the company, where you were asked this question   :       Like            Discuss            Correct / Improve              Asked in 2 Companies