1st Technical Round: The second round was a technical interview that focused on Data Structures and Algorithms and Java Technical questions. The interview included below questions DSA Problem: 1.Find whether array contains subarray with sum 0 or not. O(N) time & O(N) space. expected. 2. Extension of above question with writing indices of any subarray. 3. Extension of same ques,Print only max length of subarray whose sum is 0; Java Tech Questions: Annotations used in Spring boot Difference in throw & throws keyword Java 8 features Functional Interface How to handle exceptions Difference in Interface & abstract class Difference in checked & unchecked exceptions.