Samin Tekmindz India Interview Questions, Process, and Tips

Q1. Tell me about yourself?
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Q2. What are your strengths and weaknesses?
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Q3. What dou you know about our organisation?
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Q4. What are you hobbies and interests?
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Q5. Do you have any questions?
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Q1. How would you compare two strings in java?
Ans. 
Use the equals() method or compareTo() method to compare two strings in Java.
• Use the equals() method to compare two strings for content equality.

• Use the compareTo() method to compare two strings lexicographically.

• Consider using the equalsIgnoreCase() method for case-insensitive comparison.
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Q2. What is point cut?
Ans. 
Point cut is a term used in Aspect-Oriented Programming (AOP) to define where certain aspects should be applied in the code.
• Point cut specifies the join points in the code where advice should be applied.

• It helps in separating the cross-cutting concerns from the main business logic.

• Examples of point cuts include method executions, field accesses, and exception handling.
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Q3. What is joint point?
Ans. 
Joint point is a point in the execution of a program where an aspect can be applied.
• Joint point is a specific point in the execution of a program where additional behavior can be introduced.

• It is a point in the code where the aspect code can be weaved in.

• Examples include method calls, exception handling, variable assignments, etc.
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Q4. What docker commands do you know?
Ans. 
I know various docker commands for managing containers and images.
• docker run - to create and start a new container

• docker ps - to list all running containers

• docker stop - to stop a running container

• docker images - to list all available images

• docker pull - to download an image from a registry

• docker build - to build an image from a Dockerfile
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Q5. How do you write a docker file?
Ans. 
A Dockerfile is a text document that contains all the commands a user could call on the command line to assemble an image.
• Start with a base image using the FROM keyword

• Use the RUN keyword to execute commands in the image

• Use the COPY keyword to add files from your Docker client's current directory

• Use the CMD keyword to specify the command to run when the container starts
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Q6. What is the difference between overloading and overriding in java?
Ans. 
Overloading is when multiple methods have the same name but different parameters, while overriding is when a subclass provides a specific implementation for a method in its superclass.
• Overloading involves multiple methods with the same name but different parameters.

• Overriding involves a subclass providing a specific implementation for a method in its superclass.

• Overloading is determined at compile time based on the met...read more
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Q7. Can you tell me about some git commands?
Ans. 
Git commands are used to interact with the version control system Git.
• git clone: Used to clone a repository from a remote server to your local machine.

• git add: Adds changes in the working directory to the staging area.

• git commit: Records changes to the repository.

• git push: Pushes changes to a remote repository.

• git pull: Fetches changes from a remote repository and merges them into the local branch.
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Q8. How do you handle exceptions?
Ans. 
I handle exceptions by using try-catch blocks to catch and handle errors gracefully.
• Use try-catch blocks to catch exceptions and handle them gracefully

• Log the exception details for debugging purposes

• Throw custom exceptions when necessary

• Use finally block to clean up resources
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Q9. What is the @Restcontroller and @Controller annotations.
Ans. 
Annotations used in Spring framework for defining RESTful web services (@RestController) and MVC controllers (@Controller).
• Annotations in Spring framework for defining RESTful web services (@RestController) and MVC controllers (@Controller)

• @RestController is used for RESTful web services, @Controller is used for MVC controllers

• @RestController combines @Controller and @ResponseBody annotations

• Example: @RestController pu...read more
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Q10. What is the Spring MVC flow?
Ans. 
Spring MVC flow is the sequence of steps followed in processing a web request in a Spring MVC application.
• Client sends a request to the DispatcherServlet.

• DispatcherServlet sends the request to the appropriate Controller.

• Controller processes the request, interacts with the Model and returns a ModelAndView object.

• DispatcherServlet selects the appropriate ViewResolver to render the view.

• ViewResolver resolves the view and
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Q11. What is actuator in springboot?
Ans. 
Actuator in Spring Boot is a set of tools and features that help monitor and manage your application.
• Actuator provides endpoints to monitor application health, metrics, info, etc.

• It allows you to interact with your application through HTTP endpoints.

• Examples of endpoints include /actuator/health, /actuator/metrics, /actuator/info.

• Actuator can be customized and secured based on your requirements.
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Q12. Explain about your project technical flow?
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Q13. What is the data encapsulation?
Ans. 
Data encapsulation is the concept of bundling data with the methods that operate on that data, restricting access to the data.
• Data encapsulation is a fundamental principle of object-oriented programming.

• It allows for the data to be hidden and only accessible through the defined methods.

• Encapsulation helps in achieving data abstraction and information hiding.

• Example: In a class representing a car, the variables like spe...read more
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Q14. What is the thread life cycle?
Ans. 
Thread life cycle refers to the various stages a thread goes through from creation to termination.
• Thread creation

• Thread start

• Thread running

• Thread waiting or blocked

• Thread termination
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Q15. What is the difference between sleep and join methods?
Ans. 
Sleep method pauses the current thread for a specified amount of time, while join method waits for a thread to finish execution.
• Sleep method is a static method of Thread class, while join method is an instance method.

• Sleep method does not release the lock on the object, while join method does.

• Sleep method takes a specified time in milliseconds as an argument, while join method waits until the thread it is called on fin...read more
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Q16. Why Strings immutable in java?
Ans. 
Strings are immutable in Java to ensure thread safety, security, and optimization.
• Immutable strings are thread-safe as they cannot be modified concurrently by multiple threads.

• Immutable strings prevent security vulnerabilities like injection attacks.

• Immutable strings allow for optimization by caching and reusing string literals.
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Q17. What is the difference between ArrayList and Vector?
Ans. 
ArrayList is not synchronized while Vector is synchronized.
• ArrayList is not thread-safe, while Vector is thread-safe.

• Vector is slower than ArrayList because of synchronization.

• ArrayList is a part of the Java Collection Framework, while Vector is a legacy class.

• Example: ArrayList<String> list = new ArrayList<>(); Vector<String> vector = new Vector<>();
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Q18. What is the Composition in java?
Ans. 
Composition in Java is a design technique where a class contains an object of another class to reuse its functionality.
• Composition is a 'has-a' relationship, where one class contains an instance of another class.

• It allows for code reuse and flexibility in design.

• Example: A Car class may contain an Engine object, utilizing its functionality without inheriting from it.
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Q19. Can you override static method in java?
Ans. 
No, static methods cannot be overridden in Java.
• Static methods belong to the class itself, not to any specific instance of the class.

• Subclasses can have static methods with the same signature as the parent class, but it is not considered overriding.

• Example: Parent class has a static method 'display()', and subclass also has a static method 'display()', this is not overriding.
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Sample java basic problems.
Time complexity of a sample program.
Pseudo code of a given problem.
Implementation of a binary search tree.
Wetting an api using springboot with proper implementation of exception handling.

Q1. Why you want to be permanent
Ans. 
I am seeking stability, growth opportunities, and a long-term commitment to contribute to the company's success.
• Seeking stability in career

• Looking for growth opportunities within the company

• Committed to contributing to the company's success in the long term
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Q1. General information about our profile that's it
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Q1. Asking about previous organisation experience
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Q2. Asking about your educational background
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Q1. Tell me about yourself
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Q2. Discuss challenging Project and Their Impact
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Q3. Team management style (micro level)
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Q4. Stakeholder management
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Q5. Discuss real life scenario and how will you approach towards the problem
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