Samenvatting van leerkracht

• What are properties in C#?

  Members of classes, structures, and interfaces
• What are member variables in C#?

  Fields of classes, structures, and interfaces
• How do properties extend fields in C#?

  They expose public access while hiding logic
• How are properties accessed in C#?

  Using the same syntax as fields
• What does the 'get' accessor do in a property?

  Returns the value of a private field
• What does the 'set' accessor do in a property?

  Assigns a value to a private field
• What is the purpose of the 'Main' method in C#?

  Entry point for the application
• How can properties be implemented as expression-bodied members?

  Using the => symbol followed by an expression
• When should constructor parameters be used in C#?

  For required properties during object construction
• How would you define an auto property with a private setter?

  public string Name { get; private set; }
• What are property initializers used for?

  For additional configuration after construction
• How would you create a person object with optional address?

  Person personObject = new Person("John Doe", 24) { Address = "42 Adams Street" };
• What does the 'const' keyword do in C#?

  Makes a field constant and unmodifiable
• When must constants be initialized?

  At the time of declaration
• What is a compile-time constant?

  A const field initialized at declaration
• What does the 'readonly' keyword allow in C#?

  Field initialization at declaration or constructor
• How can a readonly field be modified?

  Only in the constructor of the class
• What does the 'static' keyword indicate?

  Members shared by all class objects
• What can static members access?

  Only static members of the same class
• What happens if a class is declared static?

  All members of the class must be static
• When should you use 'const' in C#?

  For simple values that don't change
• When should you use 'readonly' in C#?

  For variables that shouldn't change after initialization
• What does the 'typeof()' function do?

  Gets the type at compile time
• What does the 'GetType()' function do?

  Gets the runtime type of an instance
• What does the 'is' operator do?

  Checks if an instance is in the inheritance tree
• How do you cast an object to a specific type?

  Using (Type) object syntax
• How do you implement polymorphism in C#?

  By assigning a derived class to a base class reference
• What does the 'as' operator do in C#?

  Attempts to cast an object to a type
• How can inline casting be done in C# 7+?

  Using the 'is' operator with assignment