CBNITS Interview Questions, Process, and Tips

Q1. Write a program to implement stack using class.
Ans. 
Program to implement stack using class
• Create a class named Stack with necessary methods like push, pop, peek, isEmpty

• Use an array or linked list to store the elements in the stack

• Implement the push method to add elements to the top of the stack

• Implement the pop method to remove and return the top element from the stack

• Implement the peek method to return the top element without removing it

• Implement the isEmpty method to
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Q1. Implement linked list
Ans. 
A linked list is a data structure where each element points to the next one.
• Create a Node class with a value and a next pointer

• Create a LinkedList class with a head pointer and methods to add, remove, and traverse nodes

• Example: Node(5) -> Node(10) -> Node(15)

• Example: LinkedList.add(5), LinkedList.add(10), LinkedList.add(15), LinkedList.remove(10)
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Q2. Write a program to find factorial of a number using recursion.
Ans. 
Program to find factorial of a number using recursion.
• Define a function that takes a number as input.

• Check if the number is 0 or 1, return 1 in that case.

• If not, call the function recursively with n-1 as input and multiply it with n.

• Return the result.
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Q1. Write a program to remove duplicate elements from an array.
Ans. 
Program to remove duplicate elements from an array
• Use a hashset to store unique elements

• Iterate through the array and add non-duplicates to the hashset

• Convert hashset back to array
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Q1. Flutter basic questions?
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Q2. Flutter state management approaches?
Ans. 
Flutter offers various state management approaches like Provider, Bloc, Redux, MobX, etc.
• Provider: Simple and easy to use for small to medium-sized apps.

• Bloc: Great for managing complex state and business logic.

• Redux: Predictable state container for managing app state.

• MobX: Observable state management with minimal boilerplate code.
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Interview wasn't hard interviewer first asked questions related to Golang and then directly moved to the DSA question.

The problem was the valid parentheses, then he asked a question on SQL and gave a problem: to find the second highest salary.

2 coding questions hosted in Hackerearth.
Q1. Related to monotonic stack
Q2. Related to graph traversal

2 normal coding questions were given during interview, after that they asked fundamentals from OOPs

Last technical round, they asked me 2 questions.
Questions were from linked list and sorting

Q1. She just asked basic information related to my project and family
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Q2. She discussed the salary
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