There was a written test comprising four sections. Candidates were shortlisted based on their relative performance.

1st Tech Round: Very general questions were asked, covering math, Java, and data structures. I was also asked to write two programs.

2nd Tech Round: Very casual questions were asked, including whether I was interested in Oracle.

HR Round: My interview experiences were discussed, and I was asked if I had any offers in hand. I was offered a waitlist offer.

Write a program to count the number of words and the frequency of each character in a given string.

Write a program to print the Fibonacci series of a given length.

Write a recursive program to calculate factorial, and explain how the function call takes place and how the stack is used for that.

How can you judge the speed of a computer? What is clock speed? How is it related to the speed of a computer? Why is RAM important for executing programs? What is virtual memory?