RGBSI Scientific Assistant 2 Interview Questions and Answers

Q1. Angular, js basic questions and they ask you to open code snippet and ask js basic and DS questions
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Q1. What is the design pattern? Singleton Design patter
Ans. 
Singleton design pattern ensures a class has only one instance and provides a global point of access to it.
• Used when only one instance of a class is needed throughout the system

• Provides a global access point to the instance

• Implemented by creating a static method to return the same instance each time it is called
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Q2. Difference Hashmap and Concurrent Hashmap
Ans. 
HashMap is not thread-safe, while ConcurrentHashMap allows multiple threads to read and write concurrently.
• HashMap is not synchronized and not thread-safe, while ConcurrentHashMap is synchronized and thread-safe.

• ConcurrentHashMap allows multiple threads to read and write concurrently without any external synchronization, while HashMap requires external synchronization for concurrent access.

• ConcurrentHashMap achieves hi...read more
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Q3. Collection Framework
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Q4. Difference between list , set
Ans. 
List is an ordered collection of elements with duplicates allowed, while set is an unordered collection of unique elements.
• List maintains the order of elements, while set does not guarantee any specific order.

• List allows duplicate elements, while set does not allow duplicates.

• Example: List - [1, 2, 3, 1], Set - {1, 2, 3}
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Q1. Resume based question like what did you do in this project? What was your role and responsibilities? Question related to jenkins like explain jenkins pipeline foow of ur previous project ? How did you impr...read more
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Q2. Do you like wfh or wfo? What are benefits of working from wfo ?
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Q1. Grneral HR questions were asked Why do you want to join is? What are your strengths?
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30 Questions Of Aptitude regarding Logical thinking etc

2 Coding Questions regarding Programming in C language

Q1. Questions based on projects worked and skills mentioned in resume
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Q1. Questions on Projects worked and skills mentioned and some company questions.
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Logical Reasoning, Questions on distances, Questions on directions

1- Difference between array list and linked list.
2- Reverse the linked list

1-Difference between Arraylist and Linked list.
2-Check if strings are anagram.

Hackerrank algorithms and ds test

Q1. Technical on java and aws
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Q1. Basic technical question oops concept
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