TCS Kubernetes Developer Interview Questions and Answers

Q1. What improvements to interfaces were introduced in Java 8 that were missing in Java 7, specifically regarding static and default methods?
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Q2. Explain internal working of HashMap ? How to synchronize it ?
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Q3. Given a list of employees with their ratings, how can you sort the employees based on their ratings using the Java 8 Streaming API?
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Q4. Will the program compile if the parent class throws a runtime exception while the child class throws an arithmetic exception?
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Q5. In a Spring Boot application with two databases, how can you configure JDBC to specify which database to use?
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Q6. How to use a jetty server in your spring boot application ?
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Q7. Difference between @RequestParam and @PathVariable ?
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Q8. How would you handle a scenario where one microservice is awaiting a response from another microservice that is taking an extended time to respond?
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An aptitude test is an assessment to measure a candidate mental aptitude/mental ability

Q1. Can you briefly Tell us about yourself?
Ans. 
I am a passionate software developer with 5 years of experience in web development and a strong background in computer science.
• 5 years of experience in web development

• Strong background in computer science

• Passionate about software development
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Q2. What do you consider to be your strongest points?
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My strongest points include problem-solving skills, attention to detail, and ability to work well in a team.
• Strong problem-solving skills - I enjoy tackling complex issues and finding creative solutions.

• Attention to detail - I am meticulous in my work and strive for perfection in every task.

• Team player - I collaborate effectively with colleagues, communicate openly, and contribute positively to group projects.
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Q3. Which programming languages do you use regularly in your work
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I regularly use Java, Python, and SQL in my work as a Software Developer.
• Java

• Python

• SQL
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A group discussion is a structured conversation in which participants share their ideas, perspectives, and solutions on a specific topic.

Q1. What motivates you to seek employment at Wipro?
Ans. 
I am motivated to seek employment at Wipro because of their reputation for innovation and opportunities for growth.
• Impressed by Wipro's track record of delivering cutting-edge solutions

• Excited about the chance to work with a diverse and talented team

• Eager to take advantage of Wipro's professional development programs
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Q2. What are your long-term career goals?
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My long-term career goal is to become a lead software developer and eventually move into a management role.
• Advance to a lead software developer position

• Gain experience in managing a team of developers

• Develop strong leadership and communication skills

• Continue learning new technologies and staying updated with industry trends
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Assignment details refer to the specifics of an assignment, including any documents and/or emails or subsequent correspondence between the company and the client.

Q1. Create one Spring boot controller from end to end. No need to create a spring boot project we just want to see the structure and end to end implementation.
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Q2. Write a java 8 program to get the characters from a string whose count is 2 or more than 2 e.g. input: baseball , output: b, a, l.
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Q3. Why you left your previous organization.
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Q4. What is the functional interface
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Q5. What are the OOPS concepts. and some questions related to inheritance.
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Q6. Asked about the project mentioned in CV (Client project) and asked its architecture.
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Q7. Various SQL join types
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Q1. Are you ready to relocate to job location
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Q2. Why are you leaving your previous organization.
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Q3. Expectation about salary
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Q1. Everything Regarding python
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Q1. Everything regarding AI/ML/DL with example
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Q1. Most situation-based questions
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Q1. 2 way 3 way matching
Ans. 
2 way 3 way matching is a process used in accounting to ensure accuracy in financial transactions.
• 2 way matching involves matching the invoice with the purchase order

• 3 way matching involves matching the invoice with the purchase order and the receiving report

• Helps in detecting errors or discrepancies in the billing process
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Q2. Accounts payable and accounts receivable
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Q3. Some general questions
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Q1. T code to review po
Ans. 
ME23N
• ME23N is the T code used to review purchase orders in SAP

• It allows users to view details of a specific purchase order, such as vendor information, item details, and delivery status
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Q2. If you find mismatch in quantity who to you contact
Ans. 
Contact the inventory manager or supervisor for resolution.
• Contact inventory manager or supervisor immediately

• Verify the discrepancy with relevant documentation

• Discuss potential causes of the mismatch and work towards resolution
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Q3. Vendor ledger entry
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Q4. Where you see grn
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GRN stands for Goods Receipt Note, which is a document used in the procurement process to confirm the receipt of goods.
• GRN is used in the procurement process to verify that the goods ordered have been received in good condition.

• It includes details such as the quantity, quality, and condition of the goods received.

• GRN is an important document for inventory management and accounting purposes.

• It is typically generated by ...read more
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Q5. First self introduction
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Q6. How you learn from where you learn
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Q7. You have theoretical knowledge no practical how can u do
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I would seek hands-on experience through internships, workshops, or online tutorials to bridge the gap between theory and practice.
• Seek internships or part-time jobs in the field to gain practical experience

• Participate in workshops or training sessions to apply theoretical knowledge in real-life scenarios

• Utilize online tutorials or courses to practice and implement theoretical concepts

• Collaborate with professionals in ...read more
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Q1. Introduced yourself?
Ans. 
I am a Senior Software Developer with 8 years of experience in full-stack development, specializing in Java and Angular.
• 8 years of experience in full-stack development

• Specialize in Java and Angular

• Strong problem-solving skills

• Experience with Agile methodologies

• Excellent communication and teamwork abilities
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Q2. What is the use of the yield() method in threading?
Ans. 
The yield() method in threading is used to give up the CPU and allow other threads to run.
• Allows other threads to run by giving up the CPU temporarily

• Useful for preventing one thread from dominating the CPU

• Can be used to implement cooperative multitasking
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Q3. What is hash collision and how it can be handled?
Ans. 
Hash collision occurs when two different inputs produce the same hash value. It can be handled by using techniques like chaining or open addressing.
• Hash collision is a common issue in hash tables where different keys produce the same hash value.

• One way to handle hash collisions is by using chaining, where each bucket in the hash table stores a linked list of key-value pairs with the same hash value.

• Another way to handl...read more
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Q4. What is use of Method reference instead lambada expressions in java 8?
Ans. 
Method references provide a more concise way to refer to methods by name instead of using lambda expressions.
• Method references can make code more readable and maintainable by reducing boilerplate code.

• They can be used to refer to static methods, instance methods, and constructors.

• Example: list.forEach(System.out::println) is equivalent to list.forEach(item -> System.out.println(item)).
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Q5. What is vertical and horizontal scaling in micro services?
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Vertical scaling increases the capacity of a single server, while horizontal scaling adds more servers to distribute the load.
• Vertical scaling involves increasing the resources of a single server, such as CPU, RAM, or storage.

• Horizontal scaling involves adding more servers to distribute the load, often done through containerization or virtualization.

• Vertical scaling is limited by the capacity of a single server, while ...read more
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Q6. Write a java program to make upper case of first letter in the each word in the below String "i am a java programmer"?
Ans. 
Java program to capitalize first letter of each word in a given string
• Split the input string by space to get individual words

• Iterate through each word and capitalize the first letter

• Join the words back together to form the final capitalized string
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Q1. How the escalation matrix works in case of production defects?
Ans. 
Escalation matrix defines the process for escalating production defects based on severity and impact.
• Escalation matrix typically includes levels of escalation, responsible parties at each level, and criteria for escalating defects.

• For example, a Level 1 escalation may involve the development team, while a Level 2 escalation may involve senior management.

• Criteria for escalation may include severity of the defect, impact...read more
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Q2. What is your recent challenging task you have done in current project?
Ans. 
Implemented a real-time data synchronization feature between multiple servers.
• Designed a custom protocol for efficient data transfer

• Implemented server-side logic to handle data conflicts

• Utilized websockets for real-time communication
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Q3. Can you have ability to handle tasks individually?
Ans. 
Yes, I have the ability to handle tasks individually.
• I have a proven track record of successfully completing projects on my own.

• I am self-motivated and can prioritize tasks effectively.

• I have strong problem-solving skills which allow me to tackle challenges independently.
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Q4. Is it okay to give the Deliverables under pressure?
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Yes, it is okay to give deliverables under pressure as long as quality is not compromised.
• Meeting deadlines is important in software development.

• Pressure can sometimes lead to increased focus and productivity.

• Communication with stakeholders about realistic timelines is key.

• Prioritizing tasks and managing time effectively can help in delivering under pressure.
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Q1. Introduce yourself?
Ans. 
I am a Senior Software Developer with 8 years of experience in developing web applications using various technologies.
• Experienced in full stack development

• Proficient in languages like Java, JavaScript, and Python

• Skilled in using frameworks like Spring, React, and Django

• Strong understanding of database management systems

• Familiar with Agile development methodologies
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Q2. Why your leaving current company?
Ans. 
Seeking new challenges and growth opportunities.
• Desire for career advancement

• Looking for new challenges

• Seeking better work-life balance

• Company restructuring or changes in management
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Q3. What is your current CTC and expected CTC?
Ans. 
My current CTC is $100,000 and my expected CTC is $120,000.
• Current CTC: $100,000

• Expected CTC: $120,000
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Q4. Do you have all the relevant documents of previous companies?
Ans. 
Yes, I have all relevant documents from previous companies.
• I have copies of offer letters, employment contracts, and performance reviews.

• I also have any relevant certifications or training records.

• I can provide references from previous employers if needed.
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Q1. Different types of streams based questions
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Q2. Collection , competable future, java 8 features
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Q1. Admin part and mainly LWC development
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Q2. Case study on devlopment part
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Q1. Last project details and more technical skills and real-time cases
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