HCLTech Interview Questions, Process, and Tips for Experienced

Q1. What is a lock in C#, and how is it implemented?
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Q2. What is serialization, and why is it used in your application?
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Q1. What is the product life cycle?
Ans. 
The product life cycle is the stages a product goes through from introduction to withdrawal from the market.
• Introduction stage - product is launched and promoted

• Growth stage - sales and market share increase

• Maturity stage - sales peak and competition intensifies

• Decline stage - sales decrease and product may be discontinued

• Examples: iPhone (introduction), Coca-Cola (maturity), Blackberry (decline)
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Q2. Conpt to end of the life cycle
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End-to-end life cycle management involves overseeing a project from conception to completion.
• Understand project requirements and goals

• Create a detailed project plan

• Assign tasks and responsibilities to team members

• Monitor progress and make adjustments as needed

• Ensure project is delivered on time and within budget
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Q1. Covered all html css js and React topics
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Covered all html css js and React topics with real time scenarios and what we will do in given situations

Q1. What is computer
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Q2. What is network
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A network is a collection of interconnected devices that communicate and share resources.
• Networks can be wired (e.g., Ethernet) or wireless (e.g., Wi-Fi).

• They enable resource sharing, such as printers and files.

• Common types include LAN (Local Area Network) and WAN (Wide Area Network).

• The Internet is the largest example of a global network.
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Q3. What is AI
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Q1. Bean life cycle
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Q2. What is domain driven design
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Domain Driven Design is an approach to software development that focuses on the core domain and domain logic.
• Focuses on understanding and modeling the core domain of the software

• Emphasizes collaboration between domain experts and developers

• Encourages the use of a common language to bridge the communication gap between technical and non-technical stakeholders

• Promotes the use of domain models to capture and express the c...read more
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Q3. Find third mkst highest salary of an employee using sql
Ans. 
Use SQL query with window function to find third highest salary of an employee.
• Use ROW_NUMBER() function to assign a unique row number to each record based on salary in descending order

• Filter the result where row number is 3 to get the third highest salary
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Q4. Find average salary of employees of a particular dept.
Ans. 
To find the average salary of employees in a particular department, calculate the total salary of all employees in that department and divide by the number of employees.
• Retrieve the salary of all employees in the particular department

• Calculate the total salary by summing up all individual salaries

• Divide the total salary by the number of employees to get the average salary
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Q1. Core java elated questions and programs
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Q1. Questions related to tech mentioned in cv
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Q1. Salary discussion
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