Coders Brain Software Developer Interview Questions and Answers

Q1. How make a queue using a stack
Ans. 
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
Ans. 
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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First round 14 Java ,3 SQL ,3 apptitude

3 Java questions strings and Java

Q1. About the programming
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Q2. Your coding questions
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Q1. Self Intro about you
Ans. 
I am a passionate software developer with 5 years of experience in full-stack development.
• Experienced in Java, JavaScript, HTML, CSS, and SQL

• Strong problem-solving skills and ability to work in a team

• Developed a web application for a startup company using React and Node.js
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Q2. About your resume
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Q1. Tell me about
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Q2. Your self they are asking
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Q3. What is your weakness
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Q4. Any questions ask for me
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Q5. All the best future
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Coding for international

Q1. AWS basic questions were asked
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Q2. MongoDB, MySQL basic questions were asked
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Quantitative arithmetic,verbal reasoning,non-verbal reasoning,etc

Aptitude test was easy but difficult

Q1. Technical questions linked list
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Q2. Array binary search Dp
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