VARSUN eTechnologies fresher Interview Questions, Process, and Tips

Html,css,python,c#,Java

Q1. Programs on 3 questions we need to write 1 question to answer.
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Q2. Based on our background they will ask to us.
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Q3. Write a program on prime number and write query in SQL.
Ans. 
Program to check prime numbers and SQL query for prime numbers.
• Use a loop to check if a number is divisible by any number less than itself.

• In SQL, use a subquery to check if a number is divisible by any number less than itself.

• To optimize, only check divisibility up to the square root of the number.
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Q4. Write a program on prime number or not
Ans. 
A program to check if a given number is prime or not.
• Take input from user

• Check if the number is less than 2, then it is not a prime number

• Loop through numbers from 2 to n-1 and check if n is divisible by any of them

• If n is divisible by any number, then it is not a prime number

• If n is not divisible by any number, then it is a prime number
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Q5. Write query to get full name of a employees from employee table.
Ans. 
Query to retrieve full name of employees from employee table.
• Use SELECT statement to retrieve data from employee table.

• Concatenate first name and last name columns using CONCAT function.

• Use AS keyword to give an alias name to the concatenated column.
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Q6. Write program swapping of a two numbers?
Ans. 
Program to swap two numbers
• Declare two variables and assign values to them

• Use a third variable to store the value of the first variable

• Assign the value of the second variable to the first variable

• Assign the value of the third variable to the second variable
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Q7. Write a program a number is prime number or not?
Ans. 
Program to check if a number is prime or not
• A prime number is only divisible by 1 and itself

• Loop through numbers from 2 to n-1 and check if n is divisible by any of them

• If n is divisible by any number, it is not prime

• If n is not divisible by any number, it is prime
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Q8. What is access modifires in python?
Ans. 
Access modifiers in Python are keywords used to restrict access to class members.
• Python has three access modifiers: public, protected, and private.

• Public members can be accessed from anywhere outside the class.

• Protected members can be accessed within the class and its subclasses.

• Private members can only be accessed within the class.

• Public members are denoted by no underscore, protected members by a single underscore, a...read more
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Q9. What is class and object?
Ans. 
Class is a blueprint for creating objects. Objects are instances of a class that have their own unique properties and behaviors.
• A class is a template or blueprint for creating objects

• An object is an instance of a class with its own unique properties and behaviors

• Classes define the properties and methods that objects of that class will have

• Objects can interact with each other through their methods and properties

• Example:...read more
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