Centroxy Solution DOT NET Developer Interview Questions and Answers

Q1. Difference between async and await?
Add your answer
Q2. Async defines, await pauses execution.
Add your answer

Q1. What is garbage collection in .NET?
Add your answer
Q2. Automatic memory management system.
Add your answer

Q1. What is D/W array and ArrayList in .Net?
Ans. 
D/W array is a dynamic array in .Net that can grow or shrink in size. ArrayList is a collection class that can store objects of any type.
• D/W array is a resizable array that automatically adjusts its size as elements are added or removed.

• ArrayList is a collection class that can store objects of any type, allowing for flexibility in data storage.

• Example: D/W array - string[] myArray = new string[5]; ArrayList - ArrayList
Answered by AI
Add your answer
Q2. Array : Fixed size, type -safe. ArrayList : Dynamic size, not type-safe.
Add your answer

Q1. What is the difference between readonly and const in C#?
Ans. 
readonly variables can be assigned a value either at the time of declaration or in the constructor, while const variables must be assigned a value at the time of declaration and cannot be changed.
• readonly variables can be assigned a value at runtime, while const variables must be assigned a value at compile time

• readonly variables can be assigned a value in the constructor, while const variables cannot

• const variables ar...read more
Answered by AI
Add your answer
Q2. Const is compile-time constant, while readonly is runtime constant.
Ans. 
const is compile-time constant, while readonly is runtime constant.
• const values are determined at compile time and cannot be changed during runtime

• readonly values can be assigned a value either at the declaration or in the constructor and can be changed at runtime

• const is used for values that are known at compile time, like mathematical constants

• readonly is used when the value needs to be initialized at runtime, like d
Answered by AI
Add your answer

Q1. Write a program for factorial of a number using for loop?
Ans. 
Program to calculate factorial of a number using for loop
• Initialize a variable to store the factorial result

• Use a for loop to iterate from 1 to the given number

• Multiply the current value with the factorial result in each iteration

• Return the factorial result
Answered by AI
Add your answer

Q1. Debugging Techniques, Types of Logs
Ans. 
Debugging techniques involve using logs to identify and fix issues in code.
• Types of logs include console logs, file logs, event logs, and trace logs.

• Debugging techniques include using breakpoints, stepping through code, and analyzing error messages.

• Logging frameworks like log4net and NLog can be used to generate logs for debugging purposes.
Answered by AI
Add your answer
Q2. Aptitude type questions
Add your answer
Q3. Basic sql queries, sql injection
Add your answer
Q4. Sessions and cookies
Add your answer

Q1. What is CLR in .NET?
Add your answer
Q2. Common Language runtime.
Add your answer

30 min aptitude quetiobs

2 coding questions where asked i simple logics

Q1. Technical interview
Add your answer