Bhavna Corp. Interview Questions and Answers

Q1. Few theory question on dbms , sql , java and couple of coding questions
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Q1. Managerial round , nothing just kind of " knowing you" interview. They didn't ask much in this , kind of unnecessary round
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Q1. The hr at that time (2022) Came up with really good questions , but she left the company in 2022.,idk about what kind of questions new hr ask but yes basic hr round
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Q1. What is the hashmap in Java?
Ans. 
A HashMap in Java is a part of the Java Collections Framework that stores key-value pairs for efficient data retrieval.
• Stores data in key-value pairs, allowing for quick access to values based on keys.

• Uses a hash function to compute an index into an array of buckets, from which the desired value can be found.

• Allows null values and one null key.

• Example: HashMap<String, Integer> map = new HashMap<>(); map.put...read more
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Q2. What is different between overloading and overriding?
Ans. 
Overloading allows multiple methods with the same name but different parameters; overriding replaces a method in a subclass.
• Overloading occurs within the same class, while overriding involves a subclass.

• Example of overloading: int add(int a, int b) and double add(double a, double b).

• Overriding allows a subclass to provide a specific implementation of a method defined in its superclass.

• Example of overriding: class Anima...read more
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Consists of 30 MCL total. 5 C++, 10 Mathematical, 10 Graph and data analysis, 5 English

Q1. What is Heap sort. Write it's structure and explain max and min heap
Ans. 
Heap sort is a comparison-based sorting algorithm that uses a binary heap data structure.
• Heap sort involves building a heap from the input array and then repeatedly removing the largest (for max heap) or smallest (for min heap) element from the heap and adding it to the sorted array.

• The structure of heap sort involves two main steps: heapify the input array to create a heap and then repeatedly extract the root element ...read more
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Q2. Print Linked List in reverse order using Stack
Ans. 
Use a stack to reverse print a linked list
• Create a stack to store the elements of the linked list

• Traverse the linked list and push each element onto the stack

• Pop elements from the stack and print them to get the reverse order
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Q1. Introduce, how tch round went. Hobbies.
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Q2. Future plans. Projects and Internships
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Q1. Regarding Manual Testing
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Q2. Automation basics and sql
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