I applied through university. The process took 1 day. I interviewed at Cognizant (Noida) in July 2024
Interview
The interview was easy as they have asked basic dsa and sql question. They also asked to verbally describe sorting and searching algorithm. Describe Merge Sort and Binary Search. Basic javascript question.
Interview questions [4]
Question 1
They asked basic Dsa question like fibonacci , tribonacci , reverse a string, factorial, pick a particular character from a string. And we have to solve them on the IDE provided by SuperSet.
In Sql they asked left join, top 3 salary, sub query, group by, order by, and write the code in pen and paper. They also asked views, acid properties, ddl, dcl, dml, tcl,
As my programming language was java so they asked java specific question like.
1. Is java platform independent?
2. Why java do not support multiple inheritance?
3. What is JVM, JRE, JDK?
4. What is java servlet? (i was not able to answer this question)
5. How we connect Sql with JDBC? (i was not able to answer this question)
In OOPs:
1. Difference between class and object?
2. 4 pillars of oops.
3. Abstract class vs Interface?
4. Types of inheritance?
5. Types of polymorphism?
6. Abstraction vs Encapsulation?
Introduction
Basic of Oops and Programming
2 Coding Questions
Reverse String and Number
Question on Java and SQL Spring Boot and Other programing related questions like hashing map vs hash table why they are used
It was three round interview with written test and 2 easy interviews. One technical and one with HR for compensation discussion. All were conducted on the same day. In order to get selected need to stand out and answer uniquely.