Crushaders Tech Solution Test Engineer Interview Questions and Answers

Create an iOS project with given details

Q1. Discussion on the assignment that I submitted
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Q1. Design Book Management System
Ans. 
Design a Book Management System for organizing and tracking books.
• Create a database to store book information such as title, author, genre, and availability status

• Implement a user interface for users to search, borrow, return, and reserve books

• Include features like notifications for due dates, book recommendations, and user reviews
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2 Medium DSA problem based upon tree

Medium dsa problem based on graph

Q1. Design parking management
Ans. 
Design a parking management system
• Consider the number of parking spaces and their availability

• Implement a system to track and manage parking reservations

• Include features like payment processing and ticketing

• Design a user-friendly interface for customers and administrators

• Ensure scalability and efficiency of the system
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Q1. Normal discussion regarding previous experiences
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Hashmap related question, easy bfs

Q1. Asked some question related to parking lot and asked to draw all diagrams
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Coding round consists of two sections and each section has 2 questions. One question is based on oops to solve a real life problem.

Q1. Explain diamond problem in OOPS
Ans. 
The diamond problem is an ambiguity that occurs when a class inherits from two classes that have a common base class.
• Occurs in multiple inheritance

• Results in ambiguity in method resolution

• Can be resolved using virtual inheritance

• Example: Class A -> Class B, Class C -> Class D, Class B and Class D inherit from Class A, Class C inherits from both Class B and Class D
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Q2. Explain the virtual function in OOPS
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Virtual functions in OOPS allow a derived class to provide its own implementation of a method defined in the base class.
• Virtual functions are declared in the base class and can be overridden by derived classes.

• They enable polymorphism, allowing objects of different classes to be treated as objects of the same base class.

• The virtual keyword is used to declare a function as virtual in the base class.

• The derived class can...read more
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Data structures and algorithms

Data structures and algorithms

4 questions , 3 DSA questions medium level and 1 DB design round

Q1. Questions on OOPs, Networking, OS app development, projects and DSA questions
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Q1. DB related questions (joins,query) and Linked list medium DSA question.
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Q1. Tell us about Data Structure .
Ans. 
Data structure is a way of organizing and storing data in a computer so that it can be accessed and used efficiently.
• Data structures are used to manage and manipulate data.

• They can be classified into linear and non-linear data structures.

• Examples of linear data structures include arrays, linked lists, and stacks.

• Examples of non-linear data structures include trees and graphs.

• Choosing the right data structure is importa
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Focus on Data structure problems and back tracking

Q1. OOPS Concepts and Data Structures
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Q2. SQL related queries and problem solving ability
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