Xoriant Software Engineer Interview Questions and Answers for Experienced

Merge multiple sorted arrays into one sorted array

• Merge all arrays into one array

• Sort the merged array

• Return the sorted array

A nested list is a list that contains other lists as its elements.

• Nested lists can be created using square brackets and separating the elements with commas.

• Elements of a nested list can be accessed using indexing and slicing.

• Example: my_list = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]

• Accessing element 5: my_list[1][1]

A queue is a data structure that follows the First In First Out (FIFO) principle.

• Elements are added to the back of the queue and removed from the front.

• Example: A line of people waiting for a movie ticket.

• Operations: Enqueue (add element to back), Dequeue (remove element from front), Peek (view front element)

Static service in Angular is used to share data between components and persists data even after the component is destroyed.

• Static service is a singleton service that can be injected into any component.

• It is used to share data between components.

• Data persists even after the component is destroyed.

• It is useful for sharing data between sibling components.

• Example: a shopping cart service that persists the cart data ac...read more

Multi role login system can be managed by assigning different access levels to each role.

• Create a database table for roles and their access levels

• Assign each user a role with corresponding access level

• Implement role-based access control (RBAC) to restrict access to certain features

• Use session management to keep track of user roles

• Provide an admin panel to manage roles and access levels

Software development life cycle is a process followed by software developers to design, develop and maintain software.

• SDLC consists of several phases such as planning, analysis, design, implementation, testing, deployment, and maintenance.

• Each phase has its own set of activities and deliverables.

• SDLC models include Waterfall, Agile, and DevOps.

• SDLC helps in ensuring that the software is developed efficiently, meet...read more