I interviewed at Tata Consultancy Services (Toronto, ON)
Interview
Core Java:
Difference between HashMap and ConcurrentHashMap
Explain equals() and hashCode() contract.
What is the difference between final, finally, and finalize()?
OOP Concepts:
Explain inheritance and polymorphism with examples.
How is abstraction achieved in Java?
Multithreading:
What are the states of a thread?
How to create a thread-safe class?
Spring Framework:
Explain dependency injection.
Difference between @Component, @Service, and @Repository.
Life cycle of a Spring bean.
Coding Task (Shared screen):
Write a Java program to find the second highest number in an array.
Other Software Engineer Interview Reviews for Tata Consultancy Services
I interviewed at Tata Consultancy Services (Bengaluru)
Interview
The interview process was smooth and well-organized. It started with an aptitude/online assessment round, followed by a technical interview where questions were asked about my projects, technical fundamentals, and problem-solving skills. The final HR round focused on communication skills, career goals, strengths, and overall fit for the role. The interviewers were professional and supportive throughout the process.
Interview questions [1]
Question 1
"Tell me about yourself and explain your final-year project."
The interview depends upon the panel that in interviewing you. The panel will include HR and 2 technical persons, so l1 l2 and hr all the rounds happen at one time.
Interview questions [1]
Question 1
They gave us a sheet which has 2 sql questions and one easy level coding question.
Cleared the NQT exam. Got selected for the interview for Digital role.
First there was a technical round where they asked about my projects, OOPs concepts, DBMS, basic SQL queries.
Some students cleared to the second round which was HR+Technical . They asked me about relocation and technical questions in this round were very basic ones from my resume.
The interview wasn’t difficult , but the interviewers were a little rude.
Interview questions [1]
Question 1
Introduction. Method Overriding, Project in depth.