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Interview Questions and Answers for 'Expedia' - 11 question(s) found - Order By Rating | ||||
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This question was recently asked at 'Expedia'.This question is still unanswered. Can you please provide an answer. | ||||
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Like Discuss Correct / Improve   Asked in 1 Companies | ||||
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Ans. [Open Ended Answer] Possible Answer - We are using Agile. We have daily standups, Bi weekly Backlog Grooming , Planning and Retrospective, We have a 2 week sprint and We use Jira for Scrum Management. We are using Java 8, Spring Boot, JSF , Apache Kafka , Soap as well as Rest Services. | ||||
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Like Discuss Correct / Improve   Asked in 9 Companies | ||||
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This question was recently asked at 'Expedia'.This question is still unanswered. Can you please provide an answer. | ||||
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Like Discuss Correct / Improve   Asked in 1 Companies | ||||
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This question was recently asked at 'Expedia'.This question is still unanswered. Can you please provide an answer. | ||||
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This question was recently asked at 'Expedia'.This question is still unanswered. Can you please provide an answer. | ||||
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This question was recently asked at 'Expedia'.This question is still unanswered. Can you please provide an answer. | ||||
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Ans. public class BuggyBread1{ public static void main (String args[]) { String str = "hheello world"; char[] charArray = str.toCharArray(); char selectedChar = 'a'; for(char char1: charArray){ if(!str.contains(Character.toString(char1).concat(Character.toString(char1)))){ selectedChar = char1; break; } } System.out.println(str.indexOf(Character.toString(selectedChar))); } } | ||||
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Like Discuss Correct / Improve  string  code  coding Asked in 9 Companies | ||||
Very frequently asked. Among first few questions in almost all interviews. Among Top 5 frequently asked questions. Frequently asked in Indian service companies (HCL,TCS,Infosys,Capgemini etc based on multiple feedback ) and Epam Systems | ||||
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Ans. "equals" is the method of object class which is supposed to be overridden to check object equality, whereas "==" operator evaluate to see if the object handlers on the left and right are pointing to the same object in memory. x.equals(y) means the references x and y are holding objects that are equal. x==y means that the references x and y have same object. Sample code: String x = new String("str"); String y = new String("str"); System.out.println(x == y); // prints false System.out.println(x.equals(y)); // prints true | ||||
Sample Code for equals | ||||
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Like Discuss Correct / Improve  java   string comparison   string   object class   ==   equals   object equality  operator   == vs equals   equals vs == Asked in 294 Companies basic   frequent | ||||
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Frequently asked to fresh graduates and less experienced developers. Among the first few questions in many interviews. | ||||
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Ans. Composition - has-a relationship between objects. Inheritance - is-a relationship between classes. Composition - Composing object holds a reference to composed objects and hence relationship is loosely bound. Inheritance - Derived object carries the base class definition in itself and hence its tightly bound. Composition - Used in Dependency Injection Inheritance - Used in Runtime Polymorphism Composition - Single class objects can be composed within multiple classes. Inheritance - Single class can only inherit 1 Class. Composition - Its the relationship between objects. Inheritance - Its the relationship between classes. | ||||
Sample Code for inheritance Sample Code for composition | ||||
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Like Discuss Correct / Improve  java   java concepts   inheritance  object oriented programming (oops)  oops concepts   composition  object oriented programming (oops)  oops concepts   inheritance  object oriented programming (oops)  inheritance vs composition  object oriented programming (oops)  oops concepts Asked in 29 Companies basic   frequent | ||||
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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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Like Discuss Correct / Improve  system analyst   software system analyst   software business analyst Asked in 4 Companies   frequent | ||||
Very Frequently asked. Have been asked in HCL Technologies very frequently ( based on 3 feedback ). Among first few questions in many interviews. | ||||
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Ans. Abstract classes can have both abstract methods ( method declarations ) as well as concrete methods ( inherited to the derived classes ) whereas Interfaces can only have abstract methods ( method declarations ). A class can extend single abstract class whereas it can implement multiple interfaces. | ||||
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Like Discuss Correct / Improve  java   classes   abstract class   interfaces   abstract class vs interface   abstract classes vs interfaces Asked in 82 Companies basic   frequent | ||||