My HackWithInfy round was conducted on 6 March 2022. I was able to solve 2 questions completely. On 12th April 2022 results came out and I got PPI for the role of Power Programmer. The mail for the interview came on the night of 28th April 2022. The interview was on 30th April 2022 at 2 PM.
Time duration: 75minutes
Mode: Online (Microsoft Teams)
The interviewer joined on time and he asked me to show my government id card. Then he asked me to introduce myself and asked me if this is my interview, I said Yes, and he tried to make me comfortable. Then the actual questions started, he asked me the following questions :
- Explain your projects and what did you use in them – Answered
- What do you know about Javascript. – Answered
- Explain OOPS in detail and don’t stop until I say – Answered
- Difference between method overloading and overriding. – Answered
- Why there are no multiple inheritances in java and how to achieve it – Answered
- Diamond Problem – Answered
- Interfaces in java – Answered
- What are collections in java – Answered
- Do you know about databases – Answered
- Tell me about SQL joins in detail – Answered
- Explain multithreading – Not answered
- What are the features of Java 8 – Not answered
- Difference between C++ and Java – Answered
- Why java is machine independent – Answered
- Tell me various algorithms that you have studied – Answered
- What is Prim’s algorithm – Answered
- Explain the divide and conquer algorithm in detail with an example – Answered
- What are various sorting algorithms – Answered
- Explain bubble sort and how it works – Answered
Coding Questions
- You are given a linked list and you have to detect whether there is a cycle in it – Answered with all test cases passed.
- Return the node where the cycle begins. If there is no cycle, return null. – Answered all test cases passed.
- Then he asked me if you have any questions for me. I asked him about the feedback and some questions about training.
Feedback given to me:
- Do more medium-level questions on leetcode (he saw my profile on leetcode).
- Do some framework like spring boot.
- You should know about core java.
Result: I got the result mail from the TPO of my college on 11 July 2022 (yes after almost 70 days). I was offered the DSE role based on the interview.
Thank you so much, I hope that this helps!