Qodenext Software Engineer Interview Questions, Process, and Tips

Q1. Given an array Reverse array
Ans. 
Reverse array of strings
• Iterate through the array and swap elements from start to end

• Use two pointers, one at the beginning and one at the end, and swap elements until they meet
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Q2. Giaven a string Reverse string
Ans. 
Reverse a given string
• Use built-in functions like reverse() or loop through the string in reverse order

• Create a new string and append characters from the original string in reverse order

• Convert the string to an array of characters, reverse the array, and then join it back into a string
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Q3. Given array find sum of all elements
Ans. 
Calculate sum of all elements in a given array of strings
• Iterate through the array and convert each element to integer before adding to sum

• Handle edge cases like empty array or non-numeric elements

• Return the final sum after iterating through all elements
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Q1. Phone screen about previous experience
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Q1. Mobile app development basics
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Q1. Culture fit questions
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Q1. What is docker cp command
Ans. 
Docker cp command is used to copy files/folders between a container and the host machine.
• Used to copy files/folders from a container to the host machine or vice versa

• Syntax: docker cp [OPTIONS] CONTAINER:SRC_PATH DEST_PATH

• Example: docker cp mycontainer:/app/file.txt /host/path
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Q2. How ingress works and how network policy can be created for this situation
Ans. 
Ingress is a Kubernetes resource that exposes HTTP and HTTPS routes from outside the cluster to services within the cluster.
• Ingress works by defining rules for routing external traffic to services based on hostnames or paths.

• Network policies can be created to control the traffic allowed to reach the services behind the Ingress.

• For example, a network policy can restrict traffic to a specific service to only come from a
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Q1. RDBMS related questions asked
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Q2. SQL login building related questions
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It was online test having coding questions for logical part and UI part

Q1. Again logical and technical round with questions that you need to code while sharing your screen.
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Q2. Todo list problem
Ans. 
Implement a todo list with add, delete, and mark as completed functionalities.
• Create an array to store the tasks

• Implement functions to add, delete, and mark tasks as completed

• Display the tasks with their completion status
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Q1. Basic js concepts
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Duration:30 min
Question from percentage,ratios ,HCF/LCM etc.,
Logical reasoning, English

Q1. Reverse a string by making groups of given 'm' characters
Ans. 
Reverse a string by grouping 'm' characters together
• Iterate through the string in groups of 'm' characters

• Reverse each group of 'm' characters

• Concatenate the reversed groups to get the final reversed string
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Q1. General HR questions
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Q2. What is your family background?
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Q3. Why should we hire you?
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Q1. What is singleton design pattern
Ans. 
Singleton design pattern restricts the instantiation of a class to a single instance and provides global access to it.
• Used when only one instance of a class is required throughout the application

• Provides a global point of access to the instance

• Implemented using a private constructor, static method, and static variable

• Example: Logger class, Database connection class
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Q2. C# LINQ queries for group and sum data from data table
Ans. 
C# LINQ queries for group and sum data from data table
• Use GroupBy() method to group data based on a specific column

• Use Sum() method to calculate the sum of a column

• Use Select() method to select the required columns
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Q3. Solid design principles
Ans. 
Solid design principles are a set of guidelines for writing maintainable and scalable code.
• Single Responsibility Principle (SRP) - each class should have only one responsibility

• Open/Closed Principle (OCP) - classes should be open for extension but closed for modification

• Liskov Substitution Principle (LSP) - subclasses should be able to replace their parent classes without affecting the program's correctness

• Interface Se...read more
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Q4. OOPS concepts ,like association and all
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Q1. Operate or control a particualar typing of data device that is attached to a computer
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Q2. Operate or contriol
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Q3. In computing a device driver is a computer program that operates or controls a particular type of device that is attached to a computer or automaton
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Q4. To perform some manual act upon a human body in a methodical manner, and usually with instruments, with a view to restore soundness or health, as in amputation, lithotomy, etc.
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