Adeptia Interview Questions, Process, and Tips

Q1. Explain Multithreading ?
Ans. 
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
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Q2. What is Reentrant lock?
Ans. 
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
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Q3. What is difference between concurrent hashmap and hashmap?
Ans. 
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
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Q1. Java and hibernate related
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Probability, pi-chart.

Print of 5 table,reverse a given string.

Q1. Asked core java related question,oops concept.
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I was nice interviewer was good.

Q1. What is polymorphism
Ans. 
Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• It enables a single interface to represent multiple data types.

• Examples include method overloading and method overriding in object-oriented programming.
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Q2. Bubble Sorting ,merge sort , quick sort
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