Quadwave Solution Developer Interview Questions and Answers

Basic C# coding Questions

Q1. Questions related to Angular
Add your answer
Q2. Question related to ASP.NET CORE
Add your answer

Q1. Given strings and asked to write down the first non-repeatable string
Add your answer
Q2. Palindrome program in java
Ans. 
A palindrome program in Java checks if a given string reads the same forwards and backwards.
• Create a function that takes a string input

• Use a loop to compare characters from both ends of the string

• Return true if the string is a palindrome, false otherwise
Answered by AI
Add your answer
Q3. Diamond problem in java
Ans. 
Diamond problem in Java occurs when a class inherits from two classes that have a common ancestor, resulting in ambiguity.
• Diamond problem arises in multiple inheritance scenarios in Java.

• It occurs when a class inherits from two classes that have a common ancestor.

• To resolve the diamond problem, Java does not support multiple inheritance through classes, but it can be achieved using interfaces.

• Example: Class A and Class...read more
Answered by AI
Add your answer
Q4. Given a list of numbers and insisted to get the sum of numbers which gives 6
Ans. 
Iterate through the list and find pairs of numbers that sum up to 6
• Iterate through the list and check if the current number + any other number in the list equals 6

• Store the pairs of numbers that sum up to 6 in a separate list

• Return the list of pairs
Answered by AI
Add your answer

Q1. Java based questions
Add your answer

Coding test was taken for another role

Q1. How a mobile device connects to a network and the process invoved in it.
Ans. 
A mobile device connects to a network through wireless communication protocols like Wi-Fi, Bluetooth, or cellular data.
• Mobile device scans for available networks

• User selects a network and enters password if required

• Device sends a connection request to the network

• Network authenticates the device and assigns an IP address

• Device is now connected to the network and can access the internet
Answered by AI
Add your answer
Q2. Types of topologies in CN?
Ans. 
Common types of network topologies include bus, star, ring, mesh, and hybrid.
• Bus: all devices are connected to a central cable

• Star: all devices are connected to a central hub

• Ring: each device is connected to two other devices, forming a ring

• Mesh: each device is connected to every other device

• Hybrid: combination of two or more different topologies
Answered by AI
Add your answer

SQL , CODING QUESTION PYTHON

Q1. BASIC SQL QUESTIOS
Add your answer
Q2. OOPS 4 PILLARS INHERITANCE ETC
Add your answer

Q1. TELL ME ABOUT YOURSELF
Ans. 
I am a software developer with 5 years of experience in Java, Python, and SQL.
• 5 years of experience in Java, Python, and SQL

• Strong problem-solving skills

• Experience working in Agile development environment

• Familiarity with version control systems like Git

• Passionate about learning new technologies
Answered by AI
Add your answer
Q2. WHAT DO YOU KNOW ABOUT YOUR COMPANY
Ans. 
Company is a leading software development firm specializing in creating innovative solutions for various industries.
• Company has a strong reputation for delivering high-quality software products

• Specializes in creating custom solutions for clients in different industries

• Known for innovative and cutting-edge technology solutions

• Has a diverse portfolio of successful projects

• Company values teamwork and collaboration in thei
Answered by AI
Add your answer

It was an online assessment containing 3 DSA questions

Q1. Medium level array questions
Add your answer
Q2. Medium level DP questions
Add your answer

Q1. General behavioural question about
Add your answer

Q1. Difference between linked list and array list
Ans. 
Linked list is a data structure where elements are stored in nodes with pointers to the next node. Array list is a dynamic array that can grow or shrink in size.
• Linked list allows for efficient insertion and deletion of elements anywhere in the list.

• Array list provides fast access to elements using index, but slower insertion and deletion compared to linked list.

• Example: Linked list - 1 -> 2 -> 3 -> 4 -> 5, Array list
Answered by AI
Add your answer
Q2. Difference between @controller and @ Rest controller
Ans. 
The @Controller annotation is used for traditional MVC controllers, while @RestController is used for RESTful web services.
• The @Controller annotation is used to define a class as a Spring MVC controller, which can handle HTTP requests and return a view.

• The @RestController annotation is used to define a class as a controller for RESTful web services, which can handle HTTP requests and return data in JSON or XML format.

• T...read more
Answered by AI
Add your answer

Q1. Snowpipe scenario based question
Add your answer
Q2. Streams scenario based question
Add your answer