Green Rider Technology Interview Questions and Answers

Basic python programming and some question related to prompt

Q1. What is constructors
Ans. 
Constructors are special methods in a class that are used to initialize objects.
• Constructors have the same name as the class they belong to.

• They are called automatically when an object is created.

• Constructors can have parameters to initialize object properties.

• Example: public class Car { public Car(String color) { this.color = color; } }
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Q2. What is typecating
Ans. 
Typecasting is the process of converting a variable from one data type to another.
• Typecasting can be done implicitly or explicitly in programming languages.

• For example, converting an integer to a float or a string to an integer.

• Typecasting can help in avoiding errors and ensuring proper data manipulation.
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Q3. What is cloud computing?
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Cloud computing is the delivery of computing services over the internet, including storage, servers, databases, networking, software, and more.
• Cloud computing allows users to access and use resources on-demand without the need for physical infrastructure.

• Examples of cloud computing services include Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform.

• Cloud computing offers scalability, flexibility, cos...read more
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Q4. What is recursion?
Ans. 
Recursion is a programming technique where a function calls itself in order to solve a problem.
• Recursion involves breaking down a problem into smaller subproblems and solving them recursively.

• Each recursive call works on a smaller input until a base case is reached.

• Examples include factorial calculation, Fibonacci sequence generation, and tree traversal.
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Q5. What is call by reference and call by value
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Call by reference passes the address of the variable, allowing the function to modify the original value. Call by value passes a copy of the variable's value.
• Call by reference allows a function to modify the original value of a variable passed to it.

• Call by value passes a copy of the variable's value to the function, so any changes made inside the function do not affect the original value.

• Example of call by reference: ...read more
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Q1. Given an array of k linked lists, each of which is sorted in ascending order, how can you merge all the linked lists into a single sorted linked list and return the result?
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Q2. You are given a list of unique integers that are sorted but rotated at a certain pivot. Additionally, you are given a target value, and your task is to find its index in the list. If the target value is no...read more
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Q1. Tell me about yourself
Ans. 
I am a passionate AI enthusiast with a background in computer science and a strong interest in machine learning and natural language processing.
• Completed coursework in machine learning and deep learning

• Developed a chatbot using natural language processing techniques

• Participated in Kaggle competitions to apply AI algorithms

• Interned at a tech company working on AI-driven projects
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Q2. Tell me about your best childhood memories.
Ans. 
Playing in the backyard with my siblings and building forts out of blankets and pillows.
• Spending hours playing outside with my siblings

• Building forts out of blankets and pillows

• Imagining adventures and creating stories together
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