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I applied via Naukri.com and was interviewed in Oct 2022. There were 2 interview rounds.
1 hr test with mcq and coding snippet
Pointers are variables that store memory addresses of other variables in C programming language.
Pointers are used to manipulate data structures like arrays, linked lists, and trees.
They can be used to pass values by reference to functions.
Pointers can also be used to allocate memory dynamically using functions like malloc() and calloc().
A linked list program is a data structure that stores a sequence of elements with pointers to the next element.
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: LinkedList ll = new LinkedList(); ll.add(5); ll.add(10); ll.remove(5);
Data structures are used to organize and manipulate data efficiently in various applications.
Data structures are used in databases to store and retrieve data quickly.
In computer graphics, data structures are used to represent geometric objects.
Data structures are used in algorithms such as sorting and searching.
In networking, data structures are used to represent network packets and routing tables.
Data structures are u...
Merge sort is a divide and conquer algorithm that recursively divides the input array into two halves, sorts them and then merges them.
Divide the array into two halves
Recursively sort the two halves
Merge the sorted halves
Repeat until the entire array is sorted
Cloud computing is widely used in various industries for data storage, processing, and analysis.
Cloud computing allows for easy scalability and cost-effectiveness in managing large amounts of data.
Real-time collaboration and access to data from anywhere are some of the benefits of cloud computing.
Examples of cloud computing applications in real-world projects include Amazon Web Services (AWS), Microsoft Azure, and Goog...
C and c++ and data structure
An array is a collection of similar data types stored in contiguous memory locations.
Arrays can be one-dimensional or multi-dimensional
Elements in an array can be accessed using their index
Arrays can be initialized during declaration or later in the code
Arrays can be passed as arguments to functions
Example: int arr[5] = {1, 2, 3, 4, 5};
Example: char str[10] = "Hello";
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Tata Group interview questions for designations
I applied via Campus Placement and was interviewed before Feb 2020. There were 6 interview rounds.
I applied via Company Website and was interviewed before Feb 2020. There was 1 interview round.
I applied via Campus Placement and was interviewed in Oct 2020. There were 4 interview rounds.
Bubble sort is a simple sorting algorithm that repeatedly steps through the list, compares adjacent elements and swaps them if they are in the wrong order.
Start from the first element and compare it with the next element
If the next element is smaller, swap them
Repeat this process for all elements in the array
Continue this process until no more swaps are needed
A program to print all prime numbers
Take input from user for range of numbers
Loop through the range and check if each number is prime
Print the prime numbers
Hashmap is a data structure that stores key-value pairs and allows constant time access to values based on their keys.
Hashmap uses a hash function to map keys to indices in an array.
Collisions can occur when multiple keys map to the same index, which can be resolved using techniques like chaining or open addressing.
Examples of hashmap implementations include Java's HashMap class and Python's dict type.
Inheritance is a mechanism in object-oriented programming where a new class is created by inheriting properties of an existing class.
Inheritance allows code reuse and promotes code organization.
The existing class is called the parent or superclass, and the new class is called the child or subclass.
The child class inherits all the properties and methods of the parent class and can also add new properties and methods.
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I applied via Walk-in and was interviewed in Mar 2021. There was 1 interview round.
I applied via Company Website and was interviewed in Dec 2020. There was 1 interview round.
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