U3 Infotech Interview Questions and Answers

Q1. The first round includes a basic discussion with HR about your profile and skill
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Q1. The second round involves a technical discussion and, if needed, a practical scenario round.
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Q1. The third round, if needed, includes a discussion with COO and an HR round for finalization.
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Q1. Overall experience and familiarity with best recruitment practices
Ans. 
I have 5+ years of experience in talent acquisition and am familiar with best recruitment practices.
• Utilizing social media platforms for sourcing candidates

• Implementing diversity and inclusion initiatives in recruitment processes

• Leveraging data analytics for improving recruitment strategies
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Q1. Round with Direct of IT
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Q1. Final Discussion
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Q1. Regarding commercial vehicle systems and operations
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Q1. Roles and responsibilities
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Q1. What is your strength
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Q1. Tell me about your self
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Q2. Why customer support?
Ans. 
Customer support is essential for building strong customer relationships and ensuring customer satisfaction.
• Customer support helps in resolving customer issues and concerns.

• It allows for effective communication and understanding between the company and its customers.

• Customer support builds trust and loyalty, leading to repeat business and positive word-of-mouth.

• It helps in identifying and addressing customer needs and ...read more
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Q3. Scenario based question.
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Q1. Tell me about yourself
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Q2. Scenario based questions
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Q1. About the entire career journey
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Basic Aptitude test and personality test, It's easy

Q1. Code to print diagonal elements in 2d array. Reverse a string without using other empty string.
Ans. 
Print diagonal elements in a 2D array and reverse a string without using an empty string.
• Iterate through the rows and columns of the 2D array and print the elements where the row index is equal to the column index.

• Iterate through the characters of the string from the last index to the first index and append each character to a new string.
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Q1. What are oops concepts in java, explain real time scenario
Ans. 
OOPs concepts in Java include inheritance, polymorphism, encapsulation, and abstraction.
• Inheritance allows a subclass to inherit properties and methods from a superclass.

• Polymorphism allows objects to take on multiple forms and behave differently based on their context.

• Encapsulation hides the implementation details of an object and only exposes necessary information.

• Abstraction allows for the creation of abstract class...read more
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Q2. Uses of interface, inheritance
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Interfaces define contracts for behavior, while inheritance allows for code reuse and polymorphism.
• Interfaces allow for loose coupling and abstraction, enabling multiple implementations of the same behavior.

• Inheritance allows for code reuse and extension of existing classes, reducing code duplication.

• Polymorphism allows objects of different classes to be treated as if they were of the same class, simplifying code and i
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Q3. SQL query for join of tables
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SQL query for joining tables
• Use JOIN keyword to combine two or more tables based on a related column

• Specify the columns to be selected using SELECT keyword

• Use ON keyword to specify the condition for joining the tables

• Different types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN
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Q4. Java concepts used in your project
Ans. 
Used Java concepts such as inheritance, polymorphism, and exception handling in my project.
• Implemented inheritance to create a base class and derived classes with specific functionalities.

• Utilized polymorphism to allow objects of different classes to be treated as if they were of the same class.

• Implemented exception handling to handle errors and prevent program crashes.

• Used interfaces to define a set of methods that a ...read more
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Q5. Overloading vs overriding, practical uses
Ans. 
Overloading is having multiple methods with the same name but different parameters. Overriding is having a method in a subclass with the same name and parameters as a method in the superclass.
• Overloading is used to provide different ways to call a method with different parameters

• Overriding is used to provide a specific implementation of a method in a subclass

• Overloading is resolved at compile-time while overriding is r...read more
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