Indian Eagle Java Developer interview questions

They had 4 rounds 1. Aptitude test 2. Coding 3. Technical interview 4 Hr round 1 round. It was a computerised aptitude test and most of the questions were based on finding the next number in the series 2 round. We were given 5 problems from hacker Rank and had to solve it 3 round. Was interviewed by a Java developer. Asked questions from core Java and advanced Java. 4 round. Had to speak to an employee from Austin Texas.