Visionet Systems Workshop Supervisor Interview Questions and Answers

Q1. General Java, springboot and oops
Add your answer

Q1. Managerial round with Technical Lld and design related questions
Add your answer

Q1. Client round technical LLD AND HLD questions
Add your answer

Q1. HR discussion about salary and client details
Add your answer

Q1. About resume and experience
Add your answer

Q1. Questions based in on experience
Add your answer

Q1. Salary discussion and joining details
Add your answer

Q1. Questions from past projects
Add your answer
Q2. Questions from Process
Add your answer

It was medium level question

Q1. It was regarding react-native
Add your answer

Q1. Java hash map and how it works
Ans. 
Java hash map is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values based on keys.
• HashMap in Java implements the Map interface and allows null keys and values.

• It uses hashing to store and retrieve key-value pairs, providing O(1) time complexity for get() and put() operations.

• Example: HashMap map = new HashMap<>(); map.put("key", 1); int value = map.get("key");
Answered by AI
Add your answer

Q1. Wat is singleton class, difference bw hashmap and concurrent hashmap
Ans. 
Singleton class is a class that can only have one instance, while HashMap is not thread-safe but ConcurrentHashMap is.
• Singleton class restricts instantiation to one object, ensuring a single instance throughout the application.

• HashMap allows multiple threads to access and modify it concurrently, which can lead to data corruption in a multi-threaded environment.

• ConcurrentHashMap is thread-safe and allows multiple thread...read more
Answered by AI
Add your answer

Q1. Had questions related to data structures
Add your answer

Q1. Related to work culture and salary related details
Add your answer