I applied through an employee referral.

Technical Java and Data Structures—with respect to linked lists, trees, and arrays—are to be expected, along with problem-solving techniques. There is a coding round associated with Java, as well as a system design or manager round. In the manager round, a problem-solving question can be asked just to see how you approach the problem.

There is a list with 0s and 1s. Arrange it in a way such that 0s are on the left side and 1s are on the right.