HomeShop18 Interview Questions and Answers

Q1. Basic array question
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Q1. Find the first circular tour that visits all petrol pumps
Ans. 
The first circular tour that visits all petrol pumps can be found using the concept of a circular linked list.
• Create a circular linked list with each node representing a petrol pump

• Calculate the difference between petrol available at each pump and the distance to the next pump

• Start from a pump where the sum of differences is positive and traverse the circular linked list until completing the tour
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First round was a aptitude test of 25 question

Q1. Oops concept in java
Ans. 
Oops concept in Java refers to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation involves bundling data and methods that operate on the data into a single unit.

• Polymorphism allows objects to be treated as instances of their parent class.

• Abstraction hides the implementation d...read more
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Q2. Basic multi threading questions
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Q1. Code to make a pattern and explain each and every line of code
Ans. 
Code to create a pattern and explain each line of code
• Start by defining the number of rows and columns in the pattern

• Use nested loops to iterate through each row and column

• Decide the pattern you want to create and use conditional statements to determine the output for each position
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Q2. Puzzle: In how many minimum cut u can cut a cake in 8 piece
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Simple java questions including theory and code snippet

Q1. Iterate collection and do some options on some perticular elements?
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Q2. Palandrone string Or pattern program Or string related program?
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Q1. Linux commands operating system?
Ans. 
Linux commands are used to interact with the operating system through the command line interface.
• Linux commands are case-sensitive

• Commands are typically followed by options and arguments

• Common commands include ls (list files), cd (change directory), mkdir (make directory)

• Commands can be combined using pipes (|) and redirection symbols (> and <)
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Q2. Html css javascript theory questions
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Q1. Salary discuss and general questions?
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Q2. They ask for join immediately?
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Why should we hire you?
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Q4. Share details of your previous job.
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Q5. Tell me about yourself.
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Q6. Why you leaved your previous job
Ans. I have learnt a lot at my previous company, but now i feel that there are no new opportunities for me to learn and grow so i am looking for a change
Answered by Deepak pandey
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Q1. What is your family background?
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Q2. Share details of your previous job.
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Q3. Why should we hire you?
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Q4. Why are you looking for a change?
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Q5. What are your strengths and weaknesses?
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Q6. Tell me about yourself.
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Q1. Tell me about yourself?
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Q2. Why you want to change?
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Q3. Why you left your past organization?
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Q4. How much revenue you doing in last organization?
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Q5. What is your family background?
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Q1. What are your salary expectations?
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It was 2 coding questions of medium level

Q1. Longest substring with non repeating characters
Ans. 
Find the longest substring in a given string that does not contain any repeating characters.
• Use a sliding window approach to iterate through the string.

• Keep track of the characters seen so far using a set.

• Update the start and end indices of the window to find the longest substring.

• Return the length of the longest substring.
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Q2. Candy problem. There is similar question in geeks for geeks
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