24 Questions
What does the 'using System;' statement in C# signify?
Including the System namespace in the program
Which of the following are valid C# value types?
byte, int, decimal
What is a characteristic of C# reference types?
Contain references to objects
Which C# type is used to represent a single Unicode character?
char
What is the purpose of the 'delegate' keyword in C#?
Create a reference to a method
What is the primary role of namespaces in C# programming?
Organize classes into modules
What is a key difference between Structures and Classes in C#?
Structures cannot be abstract, while Classes can be abstract
Which statement regarding memory overhead is accurate when comparing Structures and Classes in C#?
Structures have no memory overhead as they are value types, while Classes have memory overhead as they are reference types
What is a common characteristic of Fields and Methods within a Class in C#?
Fields and Methods are often referred to as 'Class Members'
Which access modifier in C# makes the code accessible for all classes?
public
When creating an object of a Class in C#, what is used to initialize its values?
Constructor
Why can Structures not have a destructor in C#?
Structures are value types and do not require explicit memory management like destructors
What is the default access modifier for class members in C# if no access modifier is specified?
Private
Which concept in C# focuses on hiding sensitive data from users?
Encapsulation
What is the purpose of providing get and set methods in C# properties?
To achieve encapsulation
Which category does a class belong to if it inherits fields and methods from another class in C#?
Derived Class
What does using the : symbol signify in C#?
Inheritance
How does encapsulation in C# contribute to code maintenance?
By reducing the possibility of code errors
What is a key difference in memory allocation between structs and classes in C#?
Structs are allocated on the stack, while classes are allocated on the heap
Which type, struct or class, is more suitable for light weight objects in C#?
Structs
What is a characteristic of member access in structs and classes?
Classes allow public, protected, internal, and private access modifiers, while structs only allow public access
Which of the following is NOT a benefit of using structs over classes in C#?
Faster execution speed compared to classes
What type of inheritance is supported by classes but not by structs in C#?
Multiple inheritance
Which term best describes how data is assigned in structs compared to classes in C#?
Copies data
Learn the key differences between structures and classes in programming: from memory allocation to the presence of destructors and abstract types. Explore when to use structures for small data and classes for large data, and practice creating a class named 'Car' in a programming language.
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