OptiSol Business Solutions Machine Learning Intern Interview Questions and Answers

Q1. Oops concepts and interface
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Q2. Method overloading and overriding
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Q1. Abt web api and mvc
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Q2. Abt web api and mvc
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Q1. Job responsibilities, AWS services, devops tools, gift,docker,jenkinsetc..
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Q1. Linux commands, project flow, brief explanations of tools which are used in the project , scripting
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Q1. Negotiation on salary and required certificates, joining date,,,
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Q1. Application type question
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Q1. What are the oops concepts?
Ans. 
Object-oriented programming concepts that help in designing and implementing software systems.
• Encapsulation: bundling data and methods together

• Inheritance: creating new classes from existing ones

• Polymorphism: using a single interface to represent different types

• Abstraction: hiding complex implementation details

• Encapsulation: grouping related data and methods together

• Association: relationship between classes

• Composition:...read more
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Q2. What are the annotations we used in springboot application?
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Annotations used in Spring Boot applications
• 1. @RestController - Marks a class as a controller that handles HTTP requests

• 2. @RequestMapping - Maps HTTP requests to handler methods

• 3. @Autowired - Injects dependencies into a bean

• 4. @Service - Marks a class as a service component

• 5. @Repository - Marks a class as a repository component

• 6. @Component - Marks a class as a generic Spring component

• 7. @Configuration - Indicates ...read more
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Q3. What is abstract n abstarct methods in java
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Abstract classes and methods in Java provide a way to define common behavior that can be inherited by subclasses.
• An abstract class is a class that cannot be instantiated and is meant to be extended by other classes.

• An abstract method is a method that is declared without an implementation in an abstract class.

• Subclasses of an abstract class must provide an implementation for all abstract methods.

• Abstract classes can hav...read more
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Q4. Java 8 futures?
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Q1. SQL related basics & other bi basics
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Q2. Joins and functions
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Q1. Sql basics and other bi basics
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Q2. Joins practical
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Q1. Tell me about yourself
Ans. 
I am a passionate software engineer with 5 years of experience in developing web applications using various technologies.
• 5 years of experience in software development

• Proficient in developing web applications

• Skilled in using various technologies

• Passionate about software engineering
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Q2. Tell about yourself
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I am a software engineer with 5 years of experience in developing web applications using Java, Spring, and Angular.
• 5 years of experience in software development

• Proficient in Java, Spring, and Angular

• Strong problem-solving skills

• Experience working in Agile development environment

• Bachelor's degree in Computer Science from XYZ University
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Q3. Hobbies what you have
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I enjoy hiking, playing guitar, and reading science fiction novels in my free time.
• Hiking: I love exploring new trails and being in nature.

• Playing guitar: I find it relaxing and enjoy learning new songs.

• Reading science fiction novels: I love getting lost in imaginative worlds and exploring futuristic concepts.
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Q4. How is your studies going
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My studies are going well, I am currently learning new programming languages and working on various projects.
• Studying programming languages like Java, Python, and C++

• Working on projects involving web development and data analysis

• Attending coding bootcamps and online courses to enhance my skills
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Q5. Solve the program
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Computer Networks, SQL, DBMS, aptitude questions on trains, boats , profit and loss. 2 coding questions. Total duration was 1.5 hrs.

Q1. Questions based on projects and certifications mentioned in the resume. OOPs Time complexity based questions, basic algorithm logics like dijkstra's , sorting algorithms . Question in OS like threads and ...read more
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Q1. Reversing a string, writing sql queries, how does fetching of information from web takes place. Why you want to join Truminds?
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Fizz buzz question and array related

Q1. Basic react, javascript and one question to find duplicate.
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Q1. Salary discussion
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