GreySoft Solutions Software Developer Interview Questions and Answers

Q1. Java related questions
Add your answer
Q2. Core java, Java 8
Add your answer

Random Programming questions

Q1. Asked to solve a medium level leetcode question. Basics of Java, Spring Boot
Add your answer

Q1. A liitle bit on design and more in-depth questions in java and Spring
Add your answer

Q1. What is useState in react?
Ans. 
useState is a hook in React that allows functional components to have state.
• useState is used to declare state variables in functional components.

• It returns an array with two values: the current state value and a function to update it.

• The initial state can be passed as an argument to useState.

• Example: const [count, setCount] = useState(0);
Answered by AI
Add your answer
Q2. What is useEffect in react?
Ans. 
useEffect is a hook in React that allows you to perform side effects in functional components.
• It replaces componentDidMount, componentDidUpdate, and componentWillUnmount.

• It takes two arguments: a function that performs the side effect and an array of dependencies.

• The function is called after every render, unless the dependencies haven't changed.

• Common use cases include fetching data, setting up event listeners, and upd
Answered by AI
Add your answer
Q3. Given a react problem and tell me to find the bug over there.
Ans. 
To find a bug in a React problem
• Check the console for any error messages

• Use React Developer Tools to inspect the component tree and state

• Check if the props and state are being updated correctly

• Check if the lifecycle methods are being called in the correct order

• Check if the event handlers are bound correctly

• Check if the JSX syntax is correct
Answered by AI
Add your answer
Q4. Ask about basic JS questions.
Add your answer
Q5. Ask about basic CSS ideas.
Add your answer

Q1. There was a total of 5 rounds, where 4 rounds were technical-based only (VP round is included) and the final round with the co-founder only which is similar to the HR or managerial round.
Add your answer

Basic aptitude and coding problems were asked

System design and advanced algorithms were asked

Q1. Life cycle of thread
Ans. 
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
Answered by AI
Add your answer
Q2. İnternal working of hash map
Ans. 
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
Answered by AI
Add your answer

Q1. Salary expectations
Add your answer
Q2. Why I want to change the job
Ans. 
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
Answered by AI
Add your answer

2 DSA Questions and questions from springboot for java

Q1. Build Project in springboot and asked questions from the same
Add your answer

Q1. System design questions for High level design
Add your answer

Q1. Behavioral round asked question about the organization.
Add your answer