Maheshwara Medical College And Hospital Interview Questions and Answers

A sequence was provided: 4181, 2684, 1597, 987, 610.
first 2 are given and write code for other value calculation using java 8

The second question required writing a reverse of a palindrome using both Java 8 streams. I was able to successfully write both and clear the first round.

Q1. Interviewer was himself not knowing anything as it was walkin drive he was sitting infront of me and checking questions on phone Introduction that he inturrepted in between when I was introducing myself
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Q2. What are the features of Java 17, specifically related to sealed classes, including their syntax and necessity, along with the potential errors encountered when invoking a sealed class?
Ans. 
Java 17 introduces sealed classes to restrict inheritance and improve code maintainability.
• Sealed classes are declared using the 'sealed' keyword followed by the permitted subclasses.

• Subclasses of a sealed class must be either final or sealed themselves.

• Errors may occur when trying to extend a sealed class with a non-permitted subclass.
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Q3. Java 8 feathers stream api, functional interface, Intermittent operator ,Ternary operator, Prediction,Bi predicate. Answered all successfully
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Q4. Draw low level design of implementation of notify me if item is back in stock in a ecommerce application
Ans. 
Implementation of 'notify me if item is back in stock' feature in an ecommerce application
• Create a database table to store user notifications for out-of-stock items

• Implement a service to check item availability and send notifications to subscribed users

• Provide a user interface for users to subscribe to notifications for specific items
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Q5. All design patterns which I know. Asked me to implement adapter pattern on paper
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Q6. Then given a problem that concurrent way perform operation on excell to decrease the response time
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Q1. Asking introduction and tools
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Q2. Asking command and down Time
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Q1. API Gateway implementation
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API Gateway implementation is a centralized service that routes, manages, and secures API calls.
• API Gateway acts as a single entry point for all API calls

• It can handle authentication, rate limiting, caching, and request/response transformations

• Examples include AWS API Gateway, Apigee, Kong
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Q2. Circuit breaker implementation
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Circuit breaker is a design pattern used to prevent system overload by temporarily stopping requests to a failing service.
• Circuit breaker monitors requests to a service and opens when the service fails repeatedly.

• It helps prevent cascading failures and allows the system to gracefully degrade.

• Once the circuit breaker is open, it can periodically check if the service has recovered before allowing requests again.
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Q3. What is deadlock? How to avoid it?
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Deadlock is a situation in which two or more processes are unable to proceed because each is waiting for the other to release a resource.
• Avoid circular wait by ensuring processes request resources in the same order.

• Prevent hold and wait by requiring processes to request all needed resources at once.

• Implement a timeout mechanism to break potential deadlocks.

• Use resource allocation graphs to detect and prevent deadlocks.

• ...read more
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Q4. Explain equals() method
Ans. 
The equals() method is used to compare the contents of two objects for equality.
• The equals() method is a method of the Object class in Java.

• It is used to compare the contents of two objects for equality.

• The default implementation of equals() in the Object class compares memory addresses, so it is often overridden in custom classes to compare content.

• Example: String class overrides equals() method to compare the content
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Q5. How mongodb was integrated in your application?
Ans. 
MongoDB was integrated in the application by using the official Java driver and configuring connection settings.
• Used the official MongoDB Java driver to interact with the database

• Configured connection settings such as host, port, database name, and authentication credentials

• Implemented CRUD operations using MongoDB Java driver methods

• Utilized MongoDB aggregation framework for complex queries
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Q6. What is hibernate?
Ans. 
Hibernate is an open-source Java framework that simplifies the development of database interactions in Java applications.
• Hibernate is an Object-Relational Mapping (ORM) tool that maps Java objects to database tables.

• It provides a way to perform database operations using Java objects instead of writing SQL queries.

• Hibernate handles the mapping of Java classes to database tables and vice versa, as well as the generation ...read more
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Q7. Runnable vs Callable interface
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Runnable is a functional interface with a single run() method, while Callable is a functional interface with a single call() method.
• Runnable is used for tasks that do not return a result, while Callable is used for tasks that return a result.

• Callable can throw checked exceptions, while Runnable cannot.

• Callable returns a Future object, which can be used to retrieve the result of the computation.

• Example: Runnable - execu...read more
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Q8. Which type of data is returned by Callable interface?
Ans. 
The Callable interface in Java returns a Future object.
• Callable interface returns a Future object which represents the result of a computation that may not be available yet.

• The Future object can be used to retrieve the result of the computation, check if it is done, or cancel the computation.

• Example: Callable<Integer> task = () -> { return 42; }
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Q9. HashMap internal working
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Q10. Concurrent HashMap internal working
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Q11. How to monitor health of your application?
Ans. 
Monitor application health using metrics, logs, alerts, and performance monitoring tools.
• Use monitoring tools like Prometheus, Grafana, or New Relic to track key metrics such as CPU usage, memory usage, response times, and error rates.

• Implement logging to record important events and errors in your application. Use tools like ELK stack (Elasticsearch, Logstash, Kibana) for log analysis.

• Set up alerts to notify you of any...read more
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Q12. How to call an API in a Microservice architecture?
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To call an API in a Microservice architecture, use HTTP requests or messaging protocols like gRPC.
• Use HTTP requests to communicate between microservices

• Implement RESTful APIs for easy integration

• Leverage messaging protocols like gRPC for efficient communication

• Consider using service discovery mechanisms for dynamic API calls
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Q13. Explain Profiles
Ans. 
Profiles in Java are configurations that define the capabilities of a Java platform.
• Profiles allow developers to target specific types of devices or applications.

• They help in reducing the size of the Java runtime environment by including only the necessary APIs.

• Examples include Java SE Embedded Profile for embedded devices and Java SE Compact Profile for resource-constrained environments.
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Q14. What is OpenFeign, and how is it used in microservices architecture?
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OpenFeign is a declarative web service client used to simplify the process of making HTTP requests in microservices architecture.
• OpenFeign allows developers to define RESTful web services as interfaces and automatically generate the necessary implementation code.

• It integrates seamlessly with Spring Cloud and other microservices frameworks to facilitate communication between services.

• OpenFeign supports features like loa...read more
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Q15. What is the implementation process for service registry and discovery?
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Service registry and discovery involves registering services and allowing clients to discover and connect to them.
• Implement a service registry where services can register themselves with metadata

• Use a service discovery mechanism for clients to find and connect to services

• Implement health checks to ensure services are available and healthy

• Use a load balancer to distribute traffic among multiple instances of a service
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Q16. What are Spring boot actuators?
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Spring Boot Actuators are built-in tools that provide insight into the running application.
• Actuators expose various endpoints to monitor and manage the application.

• They can be used to check health, metrics, environment details, and more.

• Examples include /actuator/health, /actuator/metrics, and /actuator/env.
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Q17. Synchronous vs Asynchronous communication
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Synchronous communication is blocking, while asynchronous communication is non-blocking.
• Synchronous communication waits for a response before continuing, while asynchronous communication does not wait.

• Examples of synchronous communication include traditional function calls, while examples of asynchronous communication include callbacks and promises.

• Synchronous communication can lead to performance issues if there are d...read more
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Q18. Explain Synchronized keyword
Ans. 
Synchronized keyword is used in Java to control access to shared resources by multiple threads.
• Synchronized keyword can be applied to methods or code blocks to ensure only one thread can access the synchronized code at a time.

• It prevents race conditions and ensures thread safety by creating a lock on the object or class.

• Example: synchronized void myMethod() { // synchronized code block }
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Q19. What are the consequences of excessively using synchronized blocks and methods in Java?
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Excessive use of synchronized blocks and methods in Java can lead to performance issues and potential deadlocks.
• Decreased performance due to increased contention for locks

• Potential deadlocks if multiple threads are waiting for each other to release locks

• Increased complexity and difficulty in debugging and maintaining code

• Use synchronized sparingly and consider alternatives like ConcurrentHashMap or Lock interface
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Q20. How can you determine the number of threads needed for your application?
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The number of threads needed for an application can be determined based on factors like the type of tasks, hardware resources, and performance requirements.
• Consider the type of tasks your application needs to perform - CPU-bound tasks may benefit from more threads, while I/O-bound tasks may not.

• Take into account the hardware resources available - more threads may be beneficial on a multi-core processor compared to a si...read more
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Q21. Explain Executor framework
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Executor framework is a framework in Java that provides a way to manage and execute tasks asynchronously.
• Allows for managing thread execution in a more efficient way

• Provides a way to decouple task submission from task execution

• Supports various types of executors like ThreadPoolExecutor and ScheduledExecutorService

• Helps in handling tasks concurrently and asynchronously
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Q22. Explain BlockingQueue
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BlockingQueue is an interface in Java that represents a queue which supports operations that wait for the queue to become non-empty when retrieving an element and wait for space to become available in the queue when adding an element.
• BlockingQueue is part of the java.util.concurrent package.

• It is used for implementing producer-consumer scenarios where multiple threads are involved.

• Methods like put() and take() are used...read more
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Q1. Why did you leave your previous company?
Ans. 
Seeking new challenges and opportunities for growth.
• Desire for career advancement

• Looking for new challenges

• Seeking better work-life balance

• Company restructuring or downsizing

• Relocation to a new area
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Q2. Other basic questions asked regarding the relevant skills and technologies I have worked with.
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Q1. What do you know about human body systems?
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Q2. What is the reason you want to join this company?
Ans. 
I am impressed by the company's reputation for innovation and growth in the industry.
• Strong reputation for innovation and growth

• Exciting opportunities for career development

• Positive company culture and values

• Alignment with my career goals and values
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Q3. What can you tell me about the sales data from your last company?
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The sales data from my last company showed consistent growth year over year, with a focus on increasing market share and expanding customer base.
• Sales data indicated a steady increase in revenue each quarter.

• Implemented strategies to target new markets and increase customer retention.

• Utilized data analysis to identify trends and opportunities for growth.

• Collaborated with sales team to set and achieve ambitious targets.

• ...read more
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Q4. What are your strengths and weaknesses?
Ans. 
My strengths include strong leadership skills and strategic thinking. My weaknesses include a tendency to be overly critical of myself.
• Strengths: strong leadership skills

• Strengths: strategic thinking

• Weaknesses: tendency to be overly critical of myself
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Q5. Can you tell me about your hobbies and describe one of them in detail?
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My hobbies include hiking, photography, and cooking. One of my favorite hobbies is hiking.
• I enjoy exploring nature and challenging myself physically

• I often hike on weekends to different trails and mountains

• I love capturing the beauty of landscapes and wildlife through photography while hiking

• Cooking is a creative outlet for me where I experiment with new recipes and flavors
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Q1. What knowledge do you have about the products of your last company?
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Q2. What is the detailed information about a specific product?
Ans. 
The specific product is a high-performance laptop designed for gaming and graphic design.
• Processor: Intel Core i7

• Graphics: NVIDIA GeForce RTX 2080

• Memory: 16GB DDR4 RAM

• Storage: 1TB SSD

• Display: 15.6-inch Full HD

• Features: RGB backlit keyboard, high refresh rate screen
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Q1. Tell me about yourself.
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I am a dedicated and experienced professional with a strong background in sales and management.
• Over 5 years of experience in sales and management roles

• Proven track record of exceeding sales targets

• Strong leadership and communication skills

• Experience in developing and implementing sales strategies

• Ability to build and maintain strong client relationships
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Q2. What are your salary expectations?
Ans. 
My salary expectations are in line with industry standards and commensurate with my experience and qualifications.
• Research industry standards for the position

• Consider my experience and qualifications

• Be prepared to negotiate based on job responsibilities and benefits package
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Q1. I am experienced and I went to Abbott for a job due to a contract. They would keep me on the role but their contract ended midway, now I am jobless. Will Abbott do this with a human being. I am B. Pharma e...read more
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Q2. Should I consider my career over because no company is hiring me because of the contract
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Q3. Our contract ended and they did not give me time, I am not an uneducated person, I too should have shown my stability, they ended the 7 months, I am not getting any job, this is the punishment I will get f...read more
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Q1. Justice for me please
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Q2. Justice for me please
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Q1. What is the interview process for new candidates at Hindustan Unilever Limited (HUL)?
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Q2. What skills and qualifications does Hindustan Unilever Limited (HUL) seek in prospective employees?
Ans. 
HUL seeks candidates with strong technical skills, problem-solving abilities, teamwork, communication skills, and a willingness to learn and adapt.
• Strong technical skills in civil engineering

• Problem-solving abilities to tackle complex projects

• Teamwork skills to collaborate with colleagues and stakeholders

• Effective communication skills to convey ideas and updates

• Willingness to learn and adapt to new technologies and pro
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Q3. How do you align with HUL’s core values and sustainability initiatives?
Ans. 
I align with HUL's core values and sustainability initiatives through my commitment to ethical practices and environmentally friendly solutions.
• I prioritize sustainability in my engineering projects by incorporating green building practices and renewable energy sources.

• I value diversity and inclusion, promoting a collaborative work environment that respects all individuals.

• I support community engagement and social resp...read more
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Q4. Can you describe a time when you demonstrated leadership in a team project?
Ans. 
Led a team in designing and constructing a sustainable bridge project.
• Organized team meetings to discuss project goals and delegate tasks

• Provided guidance and support to team members throughout the project

• Resolved conflicts and kept team motivated towards project completion

• Presented final project to stakeholders and received positive feedback
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Q5. How do you stay updated with industry trends and apply them in your work?
Ans. 
I stay updated by attending conferences, reading industry publications, and networking with other professionals.
• Attend industry conferences and seminars

• Read industry publications and journals

• Participate in online forums and discussion groups

• Network with other professionals in the field

• Take continuing education courses to learn about new technologies and practices
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Q1. Inquiries about drug interactions, proper dosage calculations, medication administration routes, identifying potential errors in prescriptions, understanding drug classifications, interpreting medical abbr...read more
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Q1. It's a good job but time taking
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Q2. It's not giving a correct
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Q3. Salary, and it's a payment job how to return that money
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Q4. When the interview process, when u call me iam legally waiting for ur call
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Q1. I Intrested join to our company, is a collaboration to students it's give a good future so iam soo excited joined next wave.
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Q2. When we call the interview process, iam eagle waiting.
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Q1. How much experience you have into froud management?
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Q2. H uch money you can take from parents?
Ans. 
The amount of money that can be taken from parents should be reasonable and within their means.
• It is important to consider the financial situation of the parents before asking for money.

• Discuss the specific amount needed and the purpose for which it will be used.

• Ensure that the parents are comfortable with the amount and are willing to provide support.

• Avoid pressuring or manipulating parents into giving more money than...read more
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Q1. State Head sis equal to Business Development Executive.
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Q2. State Head is not aware about the product.
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