HR Professional Interview Questions and Answers

Human Resources (HR) is a department within an organization that is responsible for managing employee-related tasks and ensuring compliance with employment laws.

• HR is responsible for recruitment and hiring processes

• HR handles employee onboarding and orientation

• HR manages employee benefits and compensation

• HR oversees performance management and employee development

• HR ensures compliance with labor laws and regulations

• HR handles employee relations and conflict resolution

• HR plays ...read more

HashMap is a data structure that stores key-value pairs and uses hashing to quickly retrieve values based on keys.

• HashMap internally uses an array of linked lists to store key-value pairs.

• When a key-value pair is added, the key is hashed to determine the index in the array where it will be stored.

• If multiple keys hash to the same index, a linked list is used to handle collisions.

• HashMap allows null keys and values, but keys must be unique.

• Retrieving a value from a HashMap is ...read more