I applied through a staffing agency. I interviewed at BT Group (Hyderabad) in Jan 2016
Interview
First step is the Written test which included mainly Multi Threading Concepts,OOPS concepts.
Learn Difference Between Interface and Abstract Class thoroughly. 25 questions of Aptitude and 35 questions of Java for 1 hr.Too much hectic questions You must be a Fast thinker to answer those questions.Java plus CAT training will help to get on it.
Interview questions [3]
Question 1
Parent Class method throws illegalMonitorStateExcpetion,Can the child class Overrided method throws RuntimeException?
Was asked why I wanted to join the role standard questions then moved onto a technical Q&A where I was asked about Python specifically and different programming languages that I knew.
Interview questions [1]
Question 1
Explain what an object Oriented programming language is.
Good, the questions were in depth knowledge of Java and Reqct. 1 DSA question each round and LLD and HLD in round 2. The final round was on scalability and manager type questions.
I had 3 Rounds out of which two rounds are technical and last is managerial
1. Core Java, Spring boot, Streams related
2. LLD, Design related questions
3. Last Round was behavioural, scenario/situation based questions
Interview questions [1]
Question 1
1. Java 8 features, Java memory model, sql queries, stream api problems
2. LLD: Design Airline System
3. About project and general discussion