Guardian java interview questions and answers | Microservices interview questions round 2

Guardian Microservices Interview questions
Spring boot interview questions
java interview questions

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Thanks
Java Techies

[spiritualyogiyogi]

@1. Intro ....
@2. USE of API GATEWAY ?
@3 API gateway. How you Impl Security in it .
@4 How you do authorize the User. Authentication n Authorization
@5. How JWT works. 🤔 . How to Impl? What Config needed in Eureka Server @ EUREKA Client.
@6. CIRCUIT Breaker = Trips
@7. How to impl
@8. How to .... @Hystrix
@8. Kafka Service Communications.?.
@9 Kafka Producer . Consumers. Communications is Async.
@10 Kafka Listener.
@11. How Producer is produces the messages.
@12. When it .... How you Produce Topic. Creation of Topic? Ans. Flow.
@13. Load Balancing.
@14 . Ribbon . Annotations?
@15. Docker commands.
@16. JAVA-8. Functional Interface.
@18. Streams. Efficient work using Collections
@19. Static n Default methods. Why static method?
@20. Multiple interfaces
Stream intermediate and terminal operations.
@21 Predefined Functional Interface in java8
@22. Task .
Count Male Female employee

Map<String, Long> map =list.stream().collect(Collectors.groupingBy(Employee::getGender, Collectors.counting());
@30 OOPS Concepts
@32 Callable vs Runnable
@34 Task in ThreadPool ? Completed or not ?
@35 Future
@36. Design patterns. Factory Pattern ?
@37. How to Break Singleton n How do you protect it .
@38. Enum Solution?
@39. REST Annotations n Control Flow.
@40 . Idempotent ? Use case String Array - Sort with condition.
@41. Solution shared.
@44. Q Continues on it.
.

[ManishTiwari-orzt]

23:20 --> Count Male Female employee
Map<String, Long> map =list.stream().collect(Collectors.groupingBy(Employee::getGender, Collectors.counting());

[prachidesai]

How is guardian life company for 3.5 yoe??

[sushsushmitha]

Hi, can you please create video with a simple couple of microservices and apigateway and service registry the whole architecture of microservices and explain ?. So that it will be very useful for the beginners

[bhuvaneswari]

how is the work nature in Guardian life ?Between a MNC and Guardian which is better to choose?

[personelpurpose]

For that last question I dint understand the solution'

[shankars]

@25:27 answer
List<String> collect3 =

[rexsam]

How did you create topic in property file?
One option is to use the kafka-topics.sh.
Question was why default vs static method in functional interface
Please Google for answer for task completion with Future as your answer was not totally correct

[saddammd]

What is the question at @39:59 and @40:30
I didn't understand please help.

[shankars]

Can you please tell what's the last question related to array ?

[ManishTiwari-orzt]

public class Sport {

String game;

public String getGame() {
return game;
}

public void setGame(String game) {
this.game = game;
}

public Sport(String game) {
this.game = game;
}

@Override
public String toString() {
return "Sport [game=" + game + "]";
}



public class Employee {

private int id;
private String name;
private String gender;
private double sal;

private List<Sport> sports;

}

class MainApp{

//find the employee having salary greater than 5000 and only play chess
Employee e5=new Employee(1, "Manish", "Male", 50000, Arrays.asList(new Sport("Chess"), new Sport("Cricket")));
Employee e6=new Employee(2, "Dhanu", "Male", 80000, Arrays.asList(new Sport("Cricket")));
Employee e7=new Employee(3, "Bhavya", "Female", 90000, Arrays.asList(new Sport("Chess"), new Sport("Badminton")));
Employee e8=new Employee(4, "Kittu", "Female", 60000, Arrays.asList(new Sport("Badminton")));

List<Employee> empList=Arrays.asList(e5, e6, e7, e8);

empList.stream()
.filter(e -> e.getSports().stream()
.anyMatch(g ->




}