OneShield Associate Software Engineer Interview Questions and Answers

It was an online test where you to solve two basic programming problems.

It was a GD where 21 other candidates were present alongside me. The interviewer asked basic questions which we had to answer after raising our hands. It was on fcfs basis. The questions were mostly about basics OOPs concepts, arrays, linkedlist, tree, sorting, searching and time-space complexities. The difficulty of GD round is nominal. All you have to response first and clearly.

Q1. OOPs Concepts and Java
Ans. The technical round was held in Office face to face. I was given 3 coding problems of which I was able to solve 2 problems. After that I was asked to write a program for linkedlist. After that the interviewer asked me some basic questions about OOPs and basic code structure in Java(because I was coding in Java). Make sure you have knowledge of everything which is included in any basic program including keywords, import
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Q1. Tell me about yourself? What are your expectations? Any doubts regarding the job?
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Q2. It more of a discussion about what happens next. If you giving the HR round that means you're selected for the job
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Q1. Diff btw vite and webpack
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Q2. What is currying in js
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Q1. What is currying in javascript?
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Q2. Diff btw webpack and vite
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Q1. Difference between function and method
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Q2. A program related to strings
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Q3. A program related to prime numbers
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The aptitude test evaluates problem-solving, coding skills, and logical reasoning, offering a fair challenge to showcase technical expertise.

Q1. How do you handle conflicts in a team project?
Ans. 
I address conflicts in team projects by promoting open communication, active listening, and seeking compromise.
• Encourage open communication among team members to address conflicts early on

• Practice active listening to understand all perspectives and concerns

• Seek compromise and find common ground to resolve conflicts effectively
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Q2. What is the difference between an interface and an abstract class?
Ans. 
Interface is a contract that defines the methods a class must implement, while an abstract class can have both implemented and abstract methods.
• Interface can only have abstract methods and cannot have any implementation, while abstract class can have both abstract and implemented methods.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Interfaces are used to achieve multiple inheri...read more
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Q1. Tell me about projects you have worked upon
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Q2. PEP-8 standards
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Q1. Architecture of project on which you were working
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Q2. Pandas and Numpy
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Q1. Tell me your Current CTC
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Q2. Tell me your Expected CTC
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Q1. What is the D/W Rest and GraphQL APIS?
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Q2. REST uses fixes endpoint;..............etc.
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Q1. How to rotate a matrix?
Ans. 
To rotate a matrix, transpose it and then reverse each row or column depending on the direction of rotation.
• Transpose the matrix by swapping elements across the diagonal

• For clockwise rotation, reverse each row of the transposed matrix

• For anti-clockwise rotation, reverse each column of the transposed matrix
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Q2. How to find a particular element in a sorted array?
Ans. 
Use binary search to efficiently find a particular element in a sorted array.
• Start by comparing the target element with the middle element of the array.

• If the target element is less than the middle element, search the left half of the array.

• If the target element is greater than the middle element, search the right half of the array.

• Repeat the process until the target element is found or the search space is empty.
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