PCB Planet Senior Engineer Interview Questions and Answers

Thread life cycle includes new, runnable, running, blocked, and terminated states.

• Thread is created in 'new' state

• It becomes 'runnable' when start() method is called

• Thread enters 'running' state when CPU starts executing its run() method

• It can go to 'blocked' state if it's waiting for a resource

• Finally, thread reaches 'terminated' state when run() method completes or stop() method is called

Hash map is a data structure that stores key-value pairs and uses a hash function to map keys to their corresponding values.

• Hash map consists of an array of buckets, each containing a linked list of key-value pairs.

• When inserting a key-value pair, the hash function is used to determine the index of the bucket where the pair should be stored.

• To retrieve a value, the hash function is used to find the corresponding bucket...read more

Seeking new challenges, growth opportunities, and a better work-life balance.

• Looking for new challenges and opportunities to learn and grow

• Seeking a better work-life balance

• Interested in working with new technologies or in a different industry

• Wanting to advance career progression