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I applied via Naukri.com and was interviewed before Mar 2022. There were 4 interview rounds.
MCQ based on programming, 2 programming problems
Copy constructor is a special constructor that creates a new object by copying an existing object.
It is used to initialize an object with another object of the same class.
It takes a reference to an object of the same class as an argument.
It creates a new object with the same values as the object passed as argument.
It is automatically called when a new object is created from an existing object.
Example: MyClass obj1; MyC
Shallow copy creates a new object with the same reference as the original, while deep copy creates a new object with a new reference.
Shallow copy only copies the top-level object, while deep copy copies all nested objects.
Shallow copy is faster and uses less memory, while deep copy is slower and uses more memory.
Examples of shallow copy include copying arrays and objects using the spread operator, while examples of dee...
Implementation of Merge Sort on an array
Divide the array into two halves
Recursively sort the two halves
Merge the sorted halves
Time complexity: O(n log n)
Space complexity: O(n)
Virtual functions are functions that can be overridden by derived classes.
Virtual functions are declared in a base class and can be overridden in derived classes.
They allow for polymorphism, where a derived class object can be treated as a base class object.
Virtual functions are called based on the actual object type, not the pointer or reference type.
They are declared using the virtual keyword in the base class and ca...
I am good at object-oriented programming, data structures, and algorithms in C++.
Strong understanding of object-oriented programming principles
Proficient in implementing data structures and algorithms in C++
Experience with memory management and pointers
Familiarity with C++ standard library and STL
Ability to optimize code for performance and efficiency
I am passionate about software development and this job aligns perfectly with my skills and interests.
I have a strong passion for software development and enjoy solving complex problems.
This job offers the opportunity to work on cutting-edge technologies and contribute to innovative projects.
I am excited about the company's mission and values, and believe in the positive impact software can have on society.
I am eager t...
I am committed to staying with the company for the long term and contributing to its success.
I am looking for a stable and challenging work environment.
I believe in the company's mission and values.
I am eager to grow and develop my skills within the company.
I am open to new opportunities and challenges that may arise.
I am committed to building strong relationships with my colleagues and contributing to a positive work
I applied via Approached by Company and was interviewed in Dec 2024. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
Union combines the results of two or more SELECT statements, while Union all includes all rows, including duplicates.
Union removes duplicate rows from the result set, while Union all includes all rows.
Union sorts the result set, while Union all does not.
Union is slower than Union all because it performs a distinct operation.
Example: SELECT column1 FROM table1 UNION SELECT column1 FROM table2;
Example: SELECT column1 FRO
Joins are generally faster than unions.
Joins are typically faster than unions because they combine data from multiple tables based on a common column, while unions combine data from multiple queries into a single result set.
Joins can utilize indexes on the columns being joined, which can improve performance.
Unions involve combining the results of multiple queries, which can be slower as it requires merging and sorting ...
Scenarios in testing a game involve testing gameplay, graphics, sound, performance, and compatibility.
Testing gameplay mechanics such as controls, character movements, and interactions with objects
Testing graphics quality, animations, and visual effects
Testing sound effects, music, and voiceovers for clarity and synchronization
Testing performance for smooth gameplay experience, loading times, and frame rates
Testing com...
Aristocrat interview questions for popular designations
I applied via Job Portal and was interviewed in Oct 2024. There were 2 interview rounds.
They asked LRU implementation of data structure
Reflection API in Java allows for inspecting and modifying classes, methods, fields at runtime.
Reflection API provides a way to examine and modify the behavior of classes, methods, and fields at runtime.
It allows access to class information, such as constructors, methods, fields, annotations, etc.
Reflection can be used for dynamic loading of classes, invoking methods at runtime, and examining annotations.
Example: Using...
Get interview-ready with Top Aristocrat Interview Questions
Reverse a string by iterating through the characters and swapping them
Create a function that takes a string as input
Initialize two pointers, one at the beginning and one at the end of the string
Swap the characters at the two pointers and move them towards the center until they meet
Creating a class for inheritance in object-oriented programming
Create a base class with common attributes and methods
Create derived classes that inherit from the base class
Use the 'extends' keyword in languages like Java or C++
Override methods in the derived classes if necessary
Basic DSA questions asked
I applied via Referral and was interviewed in Sep 2024. There was 1 interview round.
The size of a class with virtual functions is larger than the size of a class without virtual functions due to the additional overhead of virtual function tables.
Classes with virtual functions have an additional pointer to the virtual function table (vtable) which increases their size.
The size of a class without virtual functions is determined by the size of its data members and any padding added for alignment.
For exam...
Reversing a linked list involves changing the direction of pointers, while reversing a doubly linked list allows for traversal in both directions.
To reverse a linked list, iterate through the list and change the direction of pointers to point to the previous node instead of the next node.
In a doubly linked list, reversing allows for traversal in both directions, making operations like deletion and insertion more effici...
Oops concept refers to Object-Oriented Programming principles and their implementation in software development.
Oops concepts include inheritance, polymorphism, encapsulation, and abstraction.
Inheritance allows a class to inherit properties and behaviors from another class.
Polymorphism allows objects to be treated as instances of their parent class.
Encapsulation hides the internal state of an object and only exposes nec...
I applied via Indeed and was interviewed in Jul 2024. There were 2 interview rounds.
Classes, oops, array, constructor
A copy constructor is a special type of constructor that creates a new object as a copy of an existing object.
Copy constructor should have a parameter of the same class type
It is used to create a new object by copying the values of an existing object
It is called when a new object is created from an existing object
A virtual function is a member function that is declared within a base class and is redefined by a derived class.
Declare a virtual function in the base class using the 'virtual' keyword.
Override the virtual function in the derived class using the 'override' keyword.
Use the base class pointer to call the virtual function, which will be resolved at runtime based on the actual object type.
I was interviewed in Aug 2024.
Ways to do async operations in JS & TS include callbacks, promises, async/await, and event listeners.
Callbacks: Passing a function as an argument to be executed once the async operation is completed.
Promises: Representing a value that may be available now, in the future, or never.
Async/Await: Syntactic sugar built on top of promises to write asynchronous code that looks synchronous.
Event Listeners: Using event-driven p
Prototype inheritance is dynamic and objects inherit directly from other objects, while classic inheritance is static and classes define the inheritance hierarchy.
Prototype inheritance allows objects to inherit directly from other objects, without the need for classes.
Classic inheritance involves defining classes and creating instances of those classes.
In prototype inheritance, changes to the prototype object are refle...
Game testing is crucial for ensuring the usability and functionality of a game before it is released to the public.
Game testing helps identify bugs, glitches, and other issues that may affect the player experience.
It ensures that the game runs smoothly on different devices and platforms.
Game testers provide valuable feedback on gameplay, controls, graphics, and overall user experience.
Usability testing can help improve...
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The duration of Aristocrat interview process can vary, but typically it takes about less than 2 weeks to complete.
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