Barclays Graduate Technology Analyst interview questions

Case study was about being a customer relationship manager. It was a role play exercise between myself (customer relationship manager) and an assessor ( customer). Competency based questions: Tell me a time when you have lead a team to success. Tell me a time when you have gathered information and used it for a goal, how did you approach it, what did you learn.

1. How would you make OOP-ify a college classroom? 2. How is a hashmap implemented