Wipro Digital Software Engineer Trainee Interview Questions and Answers

It was a 90min round with 5sections of different levels of aptitude, reasoning.

It was a paper based coding test no need to execute the code. They said We just have to write the code on a paper. The whole code need not to be correct just they will look for the approach and logic. The question was really simple a beginner level question. we can write the code in any programming language

Q1. Introduce yourself to me.
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Q2. Do you know oops concepts?
Ans. 
Yes, I know OOPs concepts.
• OOPs stands for Object-Oriented Programming.

• It is a programming paradigm that focuses on objects and their interactions.

• OOPs concepts include encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation is the process of hiding implementation details and exposing only necessary information.

• Inheritance allows a class to inherit properties and methods from another class.

• Polymorphism a...read more
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Q3. What is inheritence? What is exception handling?
Ans. 
Inheritance is a mechanism in object-oriented programming where a class is derived from another class.
• It allows for code reuse and promotes code organization.

• The derived class inherits all the properties and methods of the base class.

• The derived class can also override or add new properties and methods.

• Example: A class 'Car' can inherit from a class 'Vehicle' and add its own properties like 'number of doors'.
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Q4. Tell me about your mini project.
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Q5. Tell me about any internships you have done.
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Q6. Which programming language are you comfortable with?
Ans. 
I am comfortable with Java and Python.
• Proficient in Java and Python programming languages

• Experience in developing web applications using Java frameworks like Spring and Hibernate

• Familiar with Python libraries like NumPy and Pandas for data analysis

• Comfortable with object-oriented programming concepts and design patterns
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Q7. Write a code for this problem.
Ans. 
Write a code to create an array of strings.
• Declare an array variable of string type

• Initialize the array with desired strings

• Access the elements of the array using index
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Q1. Tell me about your self.
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Q2. What is your career goal.
Ans. 
My career goal is to become a highly skilled and experienced software engineer, working on challenging projects and continuously learning and growing in the field.
• To gain expertise in various programming languages and technologies

• To work on complex software development projects

• To continuously learn and stay updated with the latest industry trends

• To collaborate with talented professionals and contribute to innovative so...read more
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Q3. Do you have any questions for me?
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Q4. Dont you want to know whether your selectes or not?
Ans. 
Yes, I want to know whether I am selected or not.
• Knowing the result helps me plan my future actions.

• If I am selected, I can start preparing for the role.

• If I am not selected, I can explore other opportunities.

• Knowing the result provides closure and reduces uncertainty.
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Aptitude + coding test,very very hard dp question from codeforces.

Q1. They tested me on every on thing,like standard DS(stack from queue nd viceversa,BST,BS) and Algo(no code,only intuition),DBMS/OS/OOPs/SDLC.
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Coding test conducted in virtual session - you need share the entire screen (google meet). Interviewer share about 12 questions, in 10 are theory based questions and 2 coding questions.
while writing theory try to answer with real time example from your project.
1. Solid principles 2 design patterns used 3 diff between .net core vs .net 4. garbage collection 5. global exception handling in core 5. performance / monitoring related questions

coding questions: 1. Nth max value without sorting. 2. sum of max sub array in a integer array

Q1. Skills, project explanation, unit testing, code review
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Q2. Usage of dependency injection in core along with types
Ans. 
Dependency injection in core with types is a common practice in software engineering.
• Dependency injection is a design pattern where components are given their dependencies rather than creating them internally.

• Using dependency injection in core allows for easier testing and maintenance of the codebase.

• Types in dependency injection help ensure that the correct dependencies are injected into components.

• Examples include us...read more
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Q3. Usage of Middleware along with custom middleware
Ans. 
Middleware is used to handle requests and responses in web applications. Custom middleware can be created to add specific functionality.
• Middleware is software that acts as a bridge between an operating system or database and applications, allowing them to communicate with each other.

• Middleware can be used to handle tasks such as authentication, logging, error handling, and more.

• Custom middleware can be created to add s...read more
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Q4. Authentication and authorization in web api core
Ans. 
Authentication and authorization are essential for securing web APIs in ASP.NET Core.
• Use authentication to verify the identity of the user accessing the API.

• Use authorization to determine what actions the authenticated user is allowed to perform.

• In ASP.NET Core, authentication can be implemented using various schemes like JWT, OAuth, or Identity.

• Authorization can be achieved through policies, roles, or claims.

• Always va...read more
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Logical reasoning, grammar, and coding: two basic level questions.

Q1. Question on core Java
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Q2. Question on SQL and PLSQL
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Q3. Resume based question and on project
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Q1. Resume and project based question
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Q2. What do you like about your current company, and why do you want to join our organization?
Ans. 
I appreciate the collaborative team environment and innovative projects at my current company, and I am excited about the opportunities for growth and learning at your organization.
• Collaborative team environment fosters creativity and productivity

• Innovative projects challenge me to learn and grow

• Excited about the opportunities for growth and learning at your organization
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Q1. About Self introduction and Core Functions of experiences
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Q2. Deep dive into Technologies what we have worked so far
Ans. 
I have worked with a variety of technologies including Java, Python, SQL, AWS, Docker, and Kubernetes.
• Java

• Python

• SQL

• AWS

• Docker

• Kubernetes
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Q1. Ability to handle the product
Ans. 
I have extensive experience in handling complex software products and have successfully led teams to deliver high-quality solutions.
• Led a team to successfully launch a new product feature within tight deadlines

• Managed the development of a large-scale software product from conception to release

• Collaborated with cross-functional teams to ensure product requirements were met

• Implemented agile methodologies to improve produ
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Q2. Customer or client interaction and project evaluations
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Q1. About Complete personal traits
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Q2. Compensation and Willingness
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Q1. Behavioral questions
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Q2. Coding problem - reg frequency of numbers in an array
Ans. 
Count the frequency of numbers in an array of strings.
• Iterate through the array and use a hashmap to store the frequency of each number.

• If the number is already in the hashmap, increment its count. Otherwise, add it to the hashmap with a count of 1.

• Return the hashmap with the frequency of each number.
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An online coding test at coderByte. Medium level question.

Q1. Find sum of distinct elements from two given array.
Ans. 
Sum of distinct elements from two arrays
• Create a set to store distinct elements from both arrays

• Iterate through each array and add elements to the set

• Calculate the sum of elements in the set
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Q2. Discussion around Java,Spring-boot.
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