Jash Engineering Executive Interview Questions and Answers

Q1. Boxing and unboxing in. C#
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Q2. .net framework and .net core
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Q3. Simple program to print star pattern in c#
Ans. 
A simple program to print star pattern in C#
• Use nested loops to print the desired pattern

• Start with a small pattern and then expand it to more complex ones

• Experiment with different loop structures to create various patterns
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Q4. String and string builder Mutable and immutable Heap and stack memory which is used when
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Q5. Difference in stored procedure and functions ACiD properties, normalization
Ans. 
Stored procedures and functions differ in their usage and capabilities. ACID properties ensure data integrity, normalization reduces redundancy.
• Stored procedures are precompiled SQL queries that can perform multiple operations, while functions are reusable code blocks that return a single value.

• Stored procedures can have input and output parameters, while functions can only return a single value.

• ACID properties (Atomic...read more
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Q6. What are solid principles explain with example and also tell where you used them in previous project
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Solid principles are a set of design principles for writing maintainable and scalable code.
• Single Responsibility Principle: A class should have only one reason to change. For example, a class that handles user authentication should not also be responsible for sending emails.

• Open/Closed Principle: Software entities should be open for extension but closed for modification. For example, using interfaces to allow for new i...read more
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Q7. OOP related questions What are 4 pillars of OOP? Difference between encapsulation and abstraction. Difference in overloading and overriding.
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Q8. Questions on Interitance Given 3 classes A is parent of B and B is parent of C How do we call methods of B and A from C Which method will be called incase of same method in A B and C And some more I don'...read more
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Q1. Questions on salary expectations
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Q2. And informal discussion about work and team
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Q1. Difference between abstract and interface. Create an object for an abstract class.
Ans. 
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
• Abstract class can have constructors, fields, and non-abstract methods along with abstract methods.

• Interfaces can only have abstract methods and constants, no constructors or fields.

• An abstract class can provide a default implementation for some methods, while an interface cannot.

• An abstract class can be exten...read more
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Q2. Difference between findelement and findelements
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findelement returns the first matching element on the page, findelements returns a list of all matching elements.
• findelement returns a single WebElement, findelements returns a list of WebElements

• findelement throws NoSuchElementException if no element is found, findelements returns an empty list

• Example: driver.findElement(By.id("exampleId")) vs driver.findElements(By.className("exampleClass"))
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Q3. Test scenarios for facebook login page
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Test scenarios for Facebook login page
• Verify login with valid credentials

• Verify login with invalid credentials

• Verify login with empty username and password fields

• Verify login with incorrect password

• Verify login with incorrect username

• Verify login with special characters in username and password

• Verify login with locked account

• Verify login with expired password

• Verify login with CAPS LOCK on

• Verify login with multiple logi
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Q4. Difference between regression and integration testing
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Regression testing ensures that new code changes do not adversely affect existing functionality, while integration testing checks if different modules work together correctly.
• Regression testing focuses on retesting existing functionality after code changes

• Integration testing checks if different modules work together as expected

• Regression testing is usually automated to save time and effort

• Integration testing may involv...read more
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Q5. Program to remove white spaces from string without any inbuilt function and explain
Ans. 
Program to remove white spaces from string without any inbuilt function
• Iterate through each character in the string

• Create a new string and add non-white space characters to it

• Return the new string without white spaces
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Q6. How to validate the checkbox is checked
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To validate if a checkbox is checked, use Selenium WebDriver to locate the checkbox element and then use the isSelected() method to check if it is checked.
• Locate the checkbox element using Selenium WebDriver

• Use the isSelected() method to check if the checkbox is checked

• Assert the result to validate if the checkbox is checked
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Q7. How you can validate the button present on the UI is actually blue in colour
Ans. 
To validate the button color, inspect the CSS properties or use a color picker tool.
• Inspect the CSS properties of the button element to check the color value

• Use a color picker tool to sample the color of the button on the UI

• Compare the sampled color with the expected blue color value
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Q8. How you can validate the data with any value is present in the table in selenium
Ans. 
You can validate data presence in a table using Selenium by locating the table element and then searching for the desired value.
• Locate the table element using Selenium WebDriver

• Iterate through the rows and columns of the table to find the desired value

• Use assertions to validate if the value is present in the table
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Q1. Can we overload/override function having same signatures but have different return types in java!
Ans. 
No, in Java you cannot overload/override functions based on return types.
• In Java, method overloading is based on the number and type of parameters, not the return type.

• Method overriding is based on the method signature, which includes the method name, parameter types, and order, but not the return type.

• Attempting to overload or override a method based solely on return type will result in a compilation error.
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Q2. Difference between put and patch
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PUT is used to update or replace an entire resource, while PATCH is used to update or modify a part of a resource.
• PUT is idempotent, meaning multiple identical requests will have the same effect as a single request.

• PATCH is not necessarily idempotent, as multiple identical requests may have different effects.

• PUT requires the client to send the entire updated resource, while PATCH only requires the client to send the sp...read more
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Q3. How you can print numbers from one to 1000 without using any loop
Ans. 
Use recursion to print numbers from 1 to 1000 without using loops
• Create a recursive function that takes a number as input

• Print the number and call the function with the next number until 1000 is reached
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Q4. About the project you've worked on
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Q5. What are the majors have in this you have faced while performing testinge
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Q1. How handle Customers in service
Ans. 
Handle customers in service by listening actively, empathizing, resolving issues promptly, and following up.
• Listen actively to understand customer needs and concerns

• Empathize with customers to show understanding and build rapport

• Resolve issues promptly and efficiently to ensure customer satisfaction

• Follow up with customers to ensure their concerns have been addressed and they are satisfied

• Provide personalized service t
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Q2. Product knowledge
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Q3. How to familiar with your co workers
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Building relationships with coworkers through communication, collaboration, and mutual respect.
• Initiate conversations and show genuine interest in your coworkers' lives and work

• Participate in team-building activities and social events

• Offer help and support when needed

• Listen actively and communicate openly and honestly

• Respect diversity and different perspectives

• Celebrate achievements and milestones together
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Q4. Regarding educational questions
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Q5. Are able to travel inside india
Ans. 
Yes, I am able to travel inside India for work purposes.
• I have traveled extensively within India for business meetings and conferences.

• I am familiar with the major cities and transportation options in India.

• I am willing to travel as required for this senior executive role.
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Q1. Tell me about our my self
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Q2. Tell me about previous company experience
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Technical questions regarding engineering, basic of pumps , other aptitudes

Group activities, based on activities performed they evaluate candidates

Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Share details of your previous job.
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Q4. Why should we hire you?
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Q5. Why are you looking for a change?
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Q6. Where do you see yourself in 5 years?
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Q7. What are your strengths and weaknesses?
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Q8. Tell me about yourself.
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Chemistry

Q1. Water transfer plant
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