Future SolutionZ Interview Questions and Answers

I have worked on projects involving predictive modeling, natural language processing, and recommendation systems.

• Developed a predictive model to forecast customer churn for a telecom company

• Implemented a sentiment analysis tool using NLP techniques to analyze customer reviews

• Built a recommendation system for an e-commerce platform to personalize product recommendations

Group id is a unique identifier for a group of consumers in Kafka consumer configuration.

• Group id helps in coordinating the consumption of messages among multiple consumers in a consumer group.

• Each consumer group should have a unique group id to ensure proper message distribution.

• Changing the group id will result in the consumer group starting consumption from the beginning of the topic.

• Group id is specified in the con...read more

Recursive algorithm for multiplying 2 numbers

• Define a base case for when one of the numbers is 0

• Use recursion to repeatedly add the second number to the result until the first number reaches 0

• Consider handling negative numbers and optimizing for efficiency

Spring filters are used to intercept HTTP requests and responses in a Spring application.

• Spring filters can be used for logging, authentication, authorization, etc.

• They are implemented using the javax.servlet.Filter interface.

• Filters can be configured in the web.xml file or using annotations like @WebFilter.

• Example: Implementing a logging filter to log incoming requests and outgoing responses.

SQL query to retrieve the first 5 biggest salaries from a table

• Use the ORDER BY clause to sort salaries in descending order

• Use the LIMIT clause to limit the results to the first 5 rows

To build a high performing REST service for Notification API calls, use asynchronous service calls.

• Use asynchronous programming techniques like CompletableFuture or reactive programming to make non-blocking service calls.

• Implement circuit breakers and timeouts to handle potential failures and prevent cascading failures.

• Optimize the service by tuning thread pools, connection pools, and caching mechanisms.

• Consider using ...read more

Use Mockito to create mock objects for downstream API testing.

• Create a mock object using Mockito for the downstream API

• Define the behavior of the mock object to simulate responses

• Inject the mock object into the test environment to simulate the downstream API calls

• Write test cases to verify the functionality of the REST API using the mock object

I usually use the MVC (Model-View-Controller) design pattern in my projects.

• Separates the application into three main components: Model (data), View (UI), and Controller (logic)

• Promotes code reusability, modularity, and maintainability

• Examples: Laravel framework in PHP, Spring framework in Java

Array is a fixed-size data structure while ArrayList is a dynamic-size data structure in Java.

• Array is a fixed-size collection of elements of the same data type, while ArrayList is a dynamic-size collection that can grow or shrink.

• Arrays can store primitive data types and objects, while ArrayList can only store objects.

• Arrays require a specified size during initialization, while ArrayList can dynamically resize itself.

• ...read more

Experienced internal auditor with a strong background in risk management and compliance.

• Over 8 years of experience in internal audit

• Skilled in identifying and mitigating risks

• Strong knowledge of regulatory compliance

• Led successful audits for Fortune 500 companies

• Certified Internal Auditor (CIA)

I am currently earning $80,000 and I am looking for a salary in the range of $90,000 to $100,000 for this position.

• Current salary: $80,000

• Expected salary range: $90,000 - $100,000

• Open to negotiation based on benefits and responsibilities