Oracle

There are 3 to 4 rounds. It will start with basic aptitude and Java questions. The level of the aforementioned questions will become tougher going forward. The last round will be an HR round for salary discussions.

Campus Hire 1st round: 1-hour MCQ online round with a mix of aptitude and coding questions. It consisted of 4 sections. 2nd round: Technical. 3rd round: Purely design and puzzles round. 4th round: HR + Technical.

First round DSA. Second round DSA. Third round HM. Find first K elements. Height of tree. Level order traversal. Third highest element. DP digit. Knapsack. Height of trees. Queue. Disjoint set. Priority Queue.