Think Future Technologies Software Developer Intern Interview Questions and Answers for Freshers

Easy to medium leetcode questions

Q1. Tell me about your self
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Q2. Write a for palindrome
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Q3. SQL inner Joins
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Q4. Object orientend programming
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Coding questions about array and string.

Cosing questions about sql and ds.

Q1. Personal and behavioral questions.
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Q1. How make a queue using a stack
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To implement a queue using a stack, use two stacks and simulate the queue operations.
• Use two stacks, one for enqueue operation and one for dequeue operation.

• For enqueue operation, simply push elements onto the stack used for enqueueing.

• For dequeue operation, if the dequeue stack is empty, pop all elements from enqueue stack and push onto dequeue stack.

• Then pop from the dequeue stack to simulate dequeue operation.
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Q2. Create a linked list
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A linked list is a data structure consisting of nodes where each node points to the next node in the sequence.
• Create a Node class with data and next pointer

• Initialize a head pointer to null

• Add nodes by updating next pointers

• Traverse the list by following next pointers
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Leet code medium level question

Q1. About Java Streams
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Q2. Restful API coding completion based on given file
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Guide to completing a RESTful API coding task with essential pointers and examples.
• Understand REST principles: Use HTTP methods (GET, POST, PUT, DELETE) appropriately.

• Define clear endpoints: Example - /api/users for user-related operations.

• Implement status codes: Use 200 for success, 404 for not found, 500 for server errors.

• Use JSON for data interchange: Ensure requests and responses are in JSON format.

• Consider authent...read more
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Q1. To check your attitude
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Q2. Given detailed about company and what project you are going to work on?
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Q1. Hashmap working
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Q2. Multithreading cases
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Q3. Scenario specific on how to handle multiple events on a single variable to have accurate result
Ans. 
Managing multiple events on a single variable requires careful synchronization to ensure accurate results.
• Use locks or mutexes to prevent race conditions when accessing the variable.

• Implement event debouncing to limit the frequency of updates, ensuring only the final event is processed.

• Utilize a queue to handle events sequentially, processing them one at a time to maintain accuracy.

• Consider using atomic operations for ...read more
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Q4. Database indexing
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Q5. Architecture level
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Fizz buzz question and array related

Q1. Basic react, javascript and one question to find duplicate.
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Q1. Salary discussion
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General topics like mathe, English, social etc