Synpulse Consulting

Technical Round-1:

Architecture of your project?

Technical stack being used?

How you will decide on choosing technologies for client requirement?

How to create WSDL file in SOAP?

Rest API features?

Implement Security in Spring boot , step by step?

Explain OAuth2?

What can you used for Performance improvement scenario in java spring boot backend?

What is In-memory cache in Oracle database?

Coding questions:
To find duplicate element from given integer list by using Java-8 steam API:
List<Integer> list = Arrays.aslist<10,15,8,49,25,98,98,32,15>;

Scenario: 
How to read data from multiple file and take care of performance also?

What if there are multiple Bean context like parent and child, so preference will be use for which parent or child?

parent having singleton and child having prototype, so how it will be treated?

One user have drafted data from frontend not saved into database, One update query caused data lose in other day, 
So how user will retrieve the data in such case?

Technical Round-2:

Coding questions:

By Using Stream API - 

Program the sorting based on below expected output.

List<String> colorList = Arrays.asList("black", "Blue", "purple", "blue", "Grey", "green", "Red", "pink");

         

//Expected O/P: 

//Blue, black, blue, Grey, green, Pink, purple, Red

//A comes before a and B comes before b

Solution:

import java.util.*;

import java.util.stream.*;

import java.util.stream.Collectors;

public class HelloWorld{

     public static void main(String []args){

         

         List<String> colorsList = Arrays.asList("black", "Blue", "purple", "blue", "Grey", "green", "Red", "pink");

         

        //expected o/p: 

        //Blue, black, blue, Grey, green, Pink, purple, Red

        //A comes before a and B comes before b

        

        Comparator<String> comparator = Comparator.comparing(s -> Character.toLowerCase(s.charAt(0)));

        

        colorsList.sort(comparator.thenComparing(Comparator.naturalOrder()));

    

        System.out.println(colorsList);

        

     }

}

Explain the design pattern you have used in project?

Explain all the way to implement singleton design pattern?

Scenarios: If you have stock market application to work on and if u have cut off timing in your application. 

How do you store the transaction which posted after cut off timing?

What would be your efficient solution for this?

Explain architecture of Angular.?

Manager Round-3:

Explain about your journey into IT exp? 

What all open source technology you have worked so far?

What is biggest challenges you have faced in your IT exp.?

What is your expectation from Synpulse?

Why you wanted to change your current job?

Expected salary?

CLIENT Round: UBS Bank

REST v/s Microservices?

Why Generic is not being used for Arrays?

Circular bi-directional in Hibernate, How to avoid same?

Architecture of Microservices?

Composite value design in Rest API?

Scalability in Microservices?

Design patterns in Microservices?

What is REST template, How to integrate same? Its decommission soon so what is the alternative?

Circuit Breaker Pattern?

Swagger implementation, How to do achieve backward compatibility?