Adeptia Interview Questions and Answers

Multithreading is the ability of a CPU to execute multiple threads concurrently, allowing for parallel processing.

• Multithreading allows for better utilization of CPU resources by running multiple threads simultaneously.

• Threads share the same memory space, allowing for efficient communication and data sharing.

• Examples of multithreading include running multiple tasks in a web server concurrently or processing data in par...read more

Reentrant lock is a synchronization primitive that allows a thread to acquire the same lock multiple times.

• Allows a thread to acquire the same lock multiple times

• Prevents deadlock by allowing a thread to re-enter the lock it already holds

• Useful in situations where a method needs to call another method that also requires the same lock

• Example: Java's ReentrantLock class

ConcurrentHashMap allows multiple threads to read/write concurrently, while HashMap is not thread-safe.

• ConcurrentHashMap allows multiple threads to read/write concurrently without blocking each other.

• HashMap is not thread-safe and can lead to data corruption if accessed by multiple threads simultaneously.

• ConcurrentHashMap achieves thread-safety by using internal synchronization mechanisms like locks or CAS operations.

• H...read more

Serialization is the process of converting an object into a byte stream, while deserialization is the process of converting a byte stream back into an object in Java.

• To implement serialization in Java, a class must implement the Serializable interface.

• Use ObjectOutputStream to write objects to a file or network.

• To implement deserialization, use ObjectInputStream to read objects from a file or network.

• Make sure all fiel...read more

The company provides a range of HR services including recruitment, training, and employee management solutions.

• Recruitment services: Assisting companies in finding and hiring the right talent.

• Training programs: Offering workshops and courses to enhance employee skills.

• Employee management: Providing tools for performance evaluation and feedback.

• Consulting services: Advising organizations on HR policies and best practice...read more

I have experience in administrative roles, focusing on recruitment and employee engagement initiatives.

• Interned at XYZ Company, assisting in the recruitment process by screening resumes and scheduling interviews.

• Participated in employee onboarding, helping new hires acclimate to the company culture and policies.

• Conducted surveys to gather employee feedback, which contributed to improving workplace satisfaction.

• Assisted...read more