HSBC Interview Experience | Set 4 (Software Developer)

Round 1: https://www.geeksforgeeks.org/hsbc-interview-experience-set-3-on-campus-software-developer/ The first 2 rounds were similar to this.

Round 2: Started with Tell me about yourself then started shooting coding questions. First he gave simple question.

1 2 3 4 3 2 1
  1 2 3 2 1
    1 2 1
      1

I took some time to do this question as I was a bit nervous. Then he asked me to implement LinkedList in java. He asked what all data structure implementations are present in Java.