Interview Questions and Answers - Order By Rating Q151. How to deploy spring boot application without restart in prod env Spring Boot
This question was recently asked at 'HCL 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 Q152. Hash map using/without using Java 8 Core Java
This question was recently asked at 'HCL 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 Q153. Rest API crud operation using spring boot Spring Boot
This question was recently asked at 'HCL 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 Q154. 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 Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Q155. 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 Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Ans. Throwable in java is a class that is the superclass of all exceptions and errors which may occurs in java program.It extends obcect class. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies basic Q157. What is Defer Parsing JavaScript ? JavaScript
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 Q158. What is string pool and what is the use of intern() function ? Core Java
Ans. The Java String class intern() method returns the interned string. It returns the canonical representation of string. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Q159. How to delete a node from linked list if u do not have head and only have a pointer to the element which has to be removed ? Data Structure
This question was recently asked at 'LifCare'.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 Q160. How to make a collection thread safe? Core Java
This question was recently asked at 'Amodcs'.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 Q161. Explain life cycle of Spring Application ? Spring
Ans. Instantiation by using: Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Ans. Java Comparator compares two Java objects in a “compare(Object 01, Object 02)” format. Using configurable methods, Java Comparator can compare objects to return an integer based on a positive, equal or negative comparison Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Q163. Why should we go for custom defined exceptions even if we have many exceptions provided already using throw keyword Core Java
Ans. It gives us the liberty to throw the specific exceptions which are required and also we can control the handling of exceptions Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Q164. What are the scenarios you consider in code reviews General
Ans. https://www.evoketechnologies.com/blog/code-review-checklist-perform-effective-code-reviews/ Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Q165. How to find the duplicate elements in the list given
Ans. use collections.frequency() method to find out the frequency, if it is greater than 1 then it is a duplicate element. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Q166. How to find if any employees address is null or not during Junit testing JUnit
Ans. By using assertNotNull(employee_address) Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Q167. What are the disadvantages of Maven ? Maven
Ans. Maven requires installation in the working system and the Maven plug-in for the IDE. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Q168. All the meaningful words that can be formed from a phone keypad
This question was recently asked at 'Oracle'.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 Q169. Difference between Tomcat and IBM Websphere. Server
This question was recently asked at 'MagicBricks Noida'.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 Q170. How many threads can access a concurrent hashmap when the hashcode is overridden and always returns a zero. Data Structure
Ans. The impact of both cases (fixed hashcode or random hashcode for keys) will have same result and that is "unexpected behavior". The very basic need of hashcode in HashMap is to identify the bucket location where to put the key-value pair, and from where it has to be retrieved. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Q171. Explain memory allocation and deallocation. C++
This question was recently asked at 'Informatica'.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 reference variables in c C++
This question was recently asked at 'Informatica'.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 Q173. What is size of structure in c ? C++
This question was recently asked at 'Informatica'.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 'Informatica'.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 Q175. Differentiate osi and tcp/ip models and describe them Networking
This question was recently asked at 'Informatica'.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 Ans. Using Collections.sort() Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 1 Companies Q177. What is the O notation for the ArrayList and List? And which one would you choose to insert item in the middle? Data Structure
This question was recently asked at 'ExpertSoft'.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 Q178. How to build applications and integrate with jenkins? Jenkins
This question was recently asked at 'Capgemini India'.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 Q179. How does Garbage Collector work? What are the realizations of Garbage Collector. Core Java
This question was recently asked at 'ExpertSoft'.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 Q180. How multiple catch block works ? Core Java
This question was recently asked at 'Capgemini'.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
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