KK Builders Supervisor Interview Questions and Answers

Java and micro service design patterns involve structuring code for scalability and flexibility.

• Use of design patterns like Singleton, Factory, and Observer for creating microservices in Java.

• Implementing Circuit Breaker pattern to handle failures and prevent cascading failures in microservices architecture.

• Applying API Gateway pattern to manage and secure communication between microservices.

• Utilizing Service Registry ...read more

Java 8 introduced several new features such as lambda expressions, functional interfaces, streams, and default methods.

• Lambda expressions allow for more concise code by enabling functional programming.

• Functional interfaces are interfaces with a single abstract method, which can be implemented using lambda expressions.

• Streams provide a way to process collections of objects in a functional style.

• Default methods allow int...read more

Use MongoDB's aggregation framework to filter and sort students by their scores, returning the top 5 results.

• Use the `find()` method to query the students collection.

• Sort the results by the score field in descending order.

• Limit the results to 5 using the `limit()` method.

• Example: `db.students.find().sort({ score: -1 }).limit(5)`

• Ensure the score field exists and is indexed for better performance.

Redux is a state management library for JavaScript apps, while Context API is a built-in React feature for managing state.

• Redux provides a centralized store for application state, while Context API allows for state sharing across components without prop drilling.

• Redux uses actions and reducers to manage state changes, whereas Context API uses the Provider and Consumer pattern.

• Redux is more suitable for large applicatio...read more

I motivate team members by fostering collaboration, recognizing achievements, and encouraging personal growth.

• Encourage open communication: Create an environment where team members feel comfortable sharing ideas and feedback.

• Recognize achievements: Celebrate both small wins and major milestones to boost morale and motivation.

• Set clear goals: Help team members understand their roles and how they contribute to the larger...read more

A major feature in any application is its user interface, which significantly impacts usability and user satisfaction.

• Intuitive Navigation: Users should easily find what they need, like a clear menu structure in a banking app.

• Responsive Design: Applications should work seamlessly across devices, such as mobile and desktop versions of e-commerce sites.

• Accessibility Features: Important for inclusivity, like screen reader...read more

Zomato focuses on restaurant discovery and reviews, while Domino's specializes in pizza delivery and online ordering.

• Zomato offers restaurant reviews and ratings, helping users choose dining options.

• Domino's provides a streamlined pizza ordering experience with delivery tracking.

• Zomato includes features like food delivery, table reservations, and user-generated content.

• Domino's emphasizes promotional deals and a user-f...read more