Docket Tech Interview Questions and Answers

Q1. Explain OOPS Concept ?
Ans. 
OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPS focuses on creating objects that interact with each other to solve problems.

• It involves concepts like classes, objects, inheritance, polymorphism, and encapsulation.

• For example, a class 'Car' can have objects like 'Toyota', 'Honda', etc., each with their own properties and methods.

• Inheritan...read more
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Current affairs topic

Q1. What is agile method
Ans. 
Agile method is a project management approach that emphasizes flexibility, collaboration, and iterative development.
• Agile focuses on delivering value to customers through continuous planning, feedback, and adaptation.

• It involves breaking down projects into smaller, manageable tasks called sprints.

• Teams work closely together and communicate regularly to ensure alignment and progress.

• Common agile frameworks include Scrum
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Great interview and great discussion with hr

Website based on shopping and fashion

Q1. Sell me this pen.
Ans. 
This pen is a versatile tool that combines style, functionality, and durability.
• The pen features a sleek design that exudes professionalism.

• Its smooth ink flow ensures a seamless writing experience.

• With a sturdy build, this pen is built to last.

• It comes with a comfortable grip for extended use.

• The pen is refillable, making it a cost-effective choice.

• Ideal for both personal and professional use.

• Suitable for various writ...read more
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Q2. Tell me about your self
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Q3. Tell me about stock market
Ans. 
The stock market is a platform where buyers and sellers trade stocks, representing ownership in publicly traded companies.
• Stock market is a place where stocks or shares of publicly traded companies are bought and sold.

• It provides a platform for companies to raise capital by selling shares to investors.

• Investors can buy and sell stocks through stock exchanges like NYSE, NASDAQ, etc.

• Stock prices fluctuate based on supply...read more
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Q1. Tell me about your self
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Q2. About job experience
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Q3. Salary expectations
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Round duration - 90 Minutes
Round difficulty - Medium

Q1. 
Cycle Detection in a Singly Linked List
Determine if a given singly linked list of integers forms a cycle or not.
A cycle in a linked list occurs when a node's next points back to a previous node in the ...read more
Ans. 
Detect if a singly linked list forms a cycle by checking if a node's next points back to a previous node.
• Use Floyd's Cycle Detection Algorithm to determine if there is a cycle in the linked list.

• Maintain two pointers, one moving at double the speed of the other, if they meet at any point, there is a cycle.

• If one of the pointers reaches the end of the list (null), there is no cycle.
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Q2. 
Next Greater Element Problem Statement
Given a list of integers of size N, your task is to determine the Next Greater Element (NGE) for every element. The Next Greater Element for an element X is the firs...read more
Ans. 
Find the Next Greater Element for each element in a list of integers.
• Iterate through the list of integers from right to left.

• Use a stack to keep track of elements for which the Next Greater Element is not yet found.

• Pop elements from the stack until a greater element is found or the stack is empty.

• Assign the Next Greater Element as the top element of the stack or -1 if the stack is empty.
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Round duration - 60 Minutes
Round difficulty - Medium

Q1. How would you design an ATM machine?
Ans. 
Designing an ATM machine involves considering user interface, security measures, transaction processing, and hardware components.
• User interface should be intuitive and easy to navigate for users of all ages.

• Implement security measures such as PIN entry, card authentication, and encryption to protect user data.

• Transaction processing should be fast and reliable, with options for cash withdrawals, deposits, transfers, and...read more
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Round duration - 45 Minutes
Round difficulty - Easy