ClaySys Software Engineer2 Interview Questions and Answers

Computer Networks, SQL, DBMS, aptitude questions on trains, boats , profit and loss. 2 coding questions. Total duration was 1.5 hrs.

Q1. Questions based on projects and certifications mentioned in the resume. OOPs Time complexity based questions, basic algorithm logics like dijkstra's , sorting algorithms . Question in OS like threads and ...read more
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Q1. Reversing a string, writing sql queries, how does fetching of information from web takes place. Why you want to join Truminds?
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Medium level leetcode

Q1. Basics of linked list. How to delete without head and address of current node is given?
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Q2. Simple join queries on 2 to 3 tables?
Ans. 
Join queries are used to combine data from multiple tables based on a related column between them.
• Use JOIN keyword to combine tables based on a common column

• Specify the columns to select from each table

• Use WHERE clause to specify the join condition
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Q1. To write any code in any programming language
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Q2. About the project work that i have done
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Q1. Time was 3:15 in the clock write an code to find the angle between the hour and minute hand
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Q2. About the project work
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Q1. Implement a linked list
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A linked list is a data structure that consists of a sequence of nodes, each containing a reference to the next node.
• Each node has a data field and a next field that points to the next node

• Insertion and deletion can be done efficiently

• Traversal starts from the head node and continues until the end node is reached
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Q2. Questions on JAVA
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It was a MCQ + Coding test

Q1. Questions on DSA
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Q2. Questions on CS Fundamentals
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Q1. Questions on Linux commands
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Q2. Questions related to oops and CS is
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It was around 2 hrs with 2 coding questions and some mcq questions on fundamentals

Q1. Print some numbers in a tree format
Ans. 
Print numbers in a tree format
• Use recursion to print numbers in a tree structure

• Start with the root node and recursively print child nodes

• Use indentation to represent levels in the tree

• Example: 1 --2 ----3 --4
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Q2. Factorial of a number, both iterative and recursive
Ans. 
Factorial of a number can be calculated using both iterative and recursive methods.
• Iterative method involves using a loop to multiply numbers from 1 to n.

• Recursive method involves calling the function with n-1 until n reaches 1.

• Example: Factorial of 5 using iterative method: 5! = 5*4*3*2*1 = 120

• Example: Factorial of 5 using recursive method: 5! = 5 * 4!

• Example: Factorial of 4 using recursive method: 4! = 4 * 3!
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Q1. Why public static use
Ans. 
public static use for accessing methods and variables without creating an object
• Allows access to methods and variables without creating an object

• Useful for utility classes where objects are not needed

• Can be used to create global variables or constants

• Example: Math class in Java has only static methods and constants
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Q2. Why static is use.Pattern question,hshshdhdhxhxhxhxhdhhxjdjdjdjdjnjsjs
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Topics:
Python, Django, MySQL, Automation, Technical questions

Q1. Topics: Python, Django, MySQL, Automation, Technical questions
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Q2. Explain Django Architecture
Ans. 
Django follows Model-View-Controller (MVC) architectural pattern.
• Django has a high-level architecture that follows the Model-View-Controller (MVC) architectural pattern.

• The Model layer represents the database schema and business logic.

• The View layer is responsible for rendering the templates and presenting the data to the user.

• The Controller layer handles the user's input and interacts with the Model and View layers.

• Dj...read more
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Q3. Difference between XML and JSON
Ans. 
XML is a markup language while JSON is a lightweight data interchange format.
• XML uses tags to define elements while JSON uses key-value pairs.

• XML is more verbose and complex than JSON.

• JSON is easier to read and parse than XML.

• XML supports namespaces and validation while JSON does not.

• XML is widely used in web services and document exchange while JSON is preferred for data exchange between applications.
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