Binary Semantics Senior Software Developer Interview Questions, Process, and Tips for Experienced

Q1. What is access modifier in c sharp?
Ans. 
Access modifiers in C# control the visibility and accessibility of classes, methods, and other members in code.
• Public: Accessible from any other code. Example: 'public class MyClass {}'

• Private: Accessible only within the same class. Example: 'private int myField;'

• Protected: Accessible within the same class and derived classes. Example: 'protected void MyMethod() {}'

• Internal: Accessible only within the same assembly. Ex...read more
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Q2. What is oops? and explain four pillars
Ans. 
OOP (Object-Oriented Programming) is a programming paradigm based on objects and classes, promoting code reusability and modularity.
• Encapsulation: Bundling data and methods that operate on the data within one unit (e.g., a class).

• Inheritance: Mechanism to create a new class using properties and methods of an existing class (e.g., a 'Dog' class inheriting from an 'Animal' class).

• Polymorphism: Ability to present the same...read more
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Q1. What is abstract vs interface
Ans. 
Abstract class is a class that cannot be instantiated, while interface is a contract that defines a set of methods.
• Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.

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

• Abstract class can have constructors, while interface cannot.

• Abstract class can have instance variables, whi...read more
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Q2. What is Static constructor
Ans. 
A static constructor is a special constructor that is used to initialize the static members of a class.
• Static constructors are called automatically before any static member of the class is accessed.

• They are used to initialize static variables or perform any necessary setup for the class.

• Static constructors do not take any parameters and cannot be called directly.

• They are typically used to set default values or initiali...read more
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Mcq questions of sql c# mvc asp .net

Q1. Write sql query to extract the records based on particular date
Ans. 
The SQL query to extract records based on a particular date.
• Use the SELECT statement to retrieve the desired columns from the table.

• Use the FROM clause to specify the table from which to extract the records.

• Use the WHERE clause to filter the records based on the desired date.

• Use the DATE function to convert the date string to the appropriate format if needed.
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