TransUnion Interview Experience

Job: Developer/ Quality Engineering Role

Online Assessment Round (90 minutes)  

1. English Comprehension: 12 Questions in 15 Minutes
2. Logical Ability: 12 Questions in 15 Minutes
3. Quantitive Ability: 12 Questions in 15 Minutes
4. Automata: 2 Questions in 45 Minutes

Out of 783 students, 77 were selected for the next round.

Tech Round – 1 (30 Minutes): 

1. Introduce yourself
2. How comfortable are you with React JS/Web Development, which I can see in your Resume?
3. How would you rate yourself in C/C++/Java/Python?
4. From where do you want to ask your question, C/C++/Java/Python?
5. What is Inheritance? How to implement it in Java?
6. What is Polymorphism? How to implement it in Java?
7. How are abstract classes different from interfaces?
8. How are functions different from methods in Java?
9. How can you reverse a string in Java?
10. If I give you a date, how can you give me the last day of the month? Ex: 20 Nov -> 31
11. If the year is a leap year, then how can you check that?
12. How comfortable are you with SQL?
13. What is a primary key?
14. What is a unique key?
15. How are these two different?
16. What are stored procedures in SQL?
17. What are the different types of join used in SQL? Explain them.
18. If I have a table which has null values in a column, how can you print some string in place of NULL values?
19. If I have two tables, student(id, name), city(id, name). After inserting 5 rows, if I add a foreign key constrain what will happen?
20. Ok, so How good are you with Cloud?
21. What is cloud computing? Elaborate this.

Out of 77 students, 19 were selected for the next round (HR).  

That’s all I remember. I tried to write all the questions which were asked.

But at last, I was not selected for the next round.