HCLTech Lead Interview Questions and Answers

Q1. What are different types of Adapaters
Ans. 
Adapters are devices that allow different types of connectors or interfaces to be connected together.
• There are various types of adapters such as USB adapters, HDMI adapters, power adapters, etc.

• Adapters can also include converters that change the signal type or format, such as VGA to HDMI adapters.

• Some adapters are specific to certain devices or brands, like Apple Lightning to 3.5mm headphone jack adapters.

• Adapters can...read more
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Q2. SQL different operations used
Ans. 
SQL operations include SELECT, INSERT, UPDATE, DELETE, JOIN, and more.
• SELECT: Retrieve data from a database

• INSERT: Add new records to a table

• UPDATE: Modify existing records in a table

• DELETE: Remove records from a table

• JOIN: Combine rows from two or more tables based on a related column
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Q1. About your self
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Q2. About your work
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Q1. Experince in testing
Ans. 
I have 5 years of experience in software testing, including manual and automated testing.
• Experience in creating test plans, test cases, and executing test scripts.

• Proficient in using testing tools such as Selenium, Jira, and TestRail.

• Familiar with Agile and Waterfall methodologies.

• Experience in regression testing, performance testing, and user acceptance testing.
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Q2. Designation in current company
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Q1. Main charcterstics of java 8
Ans. 
Java 8 introduced new features like lambda expressions, functional interfaces, and streams.
• Lambda expressions allow functional programming in Java.

• Functional interfaces enable the use of lambda expressions.

• Streams provide a concise way to perform operations on collections.

• Default methods allow interfaces to have implementation.

• Date and Time API provides a better way to handle date and time.

• Nashorn JavaScript engine all...read more
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Q2. C program to reverse the string
Ans. 
A C program to reverse a string.
• Declare a character array to store the string.

• Use a loop to read the string and store it in the array.

• Use another loop to print the characters of the array in reverse order.
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Q1. What are the projects did you do?
Ans. Told the details about all previous projects
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Q2. Was asked about coding questions
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Q3. Those were of moderate complexity
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Q1. Why should we hire you
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Q2. Whats your weakness
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Q1. Explain virtual concept in c++
Ans. 
Virtual concept in C++ allows a function to be overridden in a derived class.
• Virtual functions are declared in a base class and can be overridden in derived classes.

• When a virtual function is called through a base class pointer or reference, the function in the derived class is executed.

• Virtual functions are used for achieving runtime polymorphism in C++.
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C++, MFC ,SQL OOPS concepts