OYO Interview Experience for SDE -2

Year of Experience: 3.9 Years. There are four rounds in total.

Round 1(Screening Round): Duration: 60 minutes.

1. find pair in an array whose sum is equal to K
2. Design Multi-level Parking lot (classes)
3. Questions related to Java: Generic classes, Locks in java. Design pattern

Round 2(DS Round): Duration: 60 minutes.

1. https://www.geeksforgeeks.org/largest-subarray-with-equal-number-of-0s-and-1s/
2. https://www.geeksforgeeks.org/longest-sub-array-sum-k/
3. Duplicate values are allowed in BST or not
4. https://www.geeksforgeeks.org/a-program-to-check-if-a-binary-tree-is-bst-or-not/
5. https://www.geeksforgeeks.org/burn-the-binary-tree-starting-from-the-target-node/

Round 3: Duration 60 minutes

1. https://www.geeksforgeeks.org/find-element-array-sum-left-array-equal-sum-right-array/
2. Design Database for seller, product, price
3. Difference between POST and PUT APIs
4. Caching mechanism
5. Monitoring System in application

Round 4: Duration 60 minutes

1. Questions related to the project and managerial questions