Publicis Sapient System Engineer Trainee Interview Questions and Answers

Q1. Where do we use BigInteger in java ?
Ans. 
BigInteger is used for mathematical operations involving very large integers in Java.
• BigInteger is used when the range of values supported by primitive data types like int and long is not sufficient.

• It is commonly used in cryptography and security applications.

• It provides methods for arithmetic, bitwise, and logical operations on large integers.

• Example: calculating factorial of a large number, generating large prime nu
Answered by AI
Add your answer
Q2. Merge Sort Algo code in java
Ans. 
Merge Sort Algo code in java
• Divide the array into two halves

• Recursively sort the two halves

• Merge the sorted halves

• Time complexity: O(n log n)
Answered by AI
Add your answer

They give some MCQ question from c#, .net,SQL, angular. Fizz Buzz type coding.

Q1. Basic oops concepts, splitter, 3 highest salary in SQL, procedure and functions difference. Basic questions of c#.
Add your answer

Q1. Basic questions on testing.
Add your answer
Q2. Write sample code on some basic queries supplied during interview.
Ans. 
Sample code for basic queries
• Use SELECT statement to retrieve data from a table

• Use WHERE clause to filter data based on conditions

• Use ORDER BY clause to sort data in ascending or descending order

• Use GROUP BY clause to group data based on a column

• Use JOIN clause to combine data from multiple tables
Answered by AI
Add your answer

Q1. Introduction confirmation about the interview schedule.
Add your answer

Q1. Go through your resume
Add your answer
Q2. Testing core knowledge on applied domine.
Add your answer

Q1. About the salary negotiation.
Add your answer