C# Fundamentals: Hello World Console Application
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Questions and Answers

Which of the following is considered different in C# due to its case-sensitivity?

  • if
  • IF
  • iF
  • All of the above (correct)
  • What can be created within namespaces in C#?

  • Classes
  • Enumerations
  • Both classes and enumerations (correct)
  • Variables
  • What is the purpose of using global using directives in C#?

  • To separate different namespaces
  • To import a namespace for the entire application (correct)
  • To isolate pieces of code
  • To avoid case-sensitivity issues
  • What happens if you try to assign incompatible types to a declared variable in C#?

    <p>It results in a compilation error</p> Signup and view all the answers

    What enables the compiler to deduce the type of a variable in C#?

    <p>Implicit data typing</p> Signup and view all the answers

    Which of the following is true about namespaces in C#?

    <p>Classes created in one namespace are unknown to code in other namespaces</p> Signup and view all the answers

    What is the process of creating new classes by extending existing ones called?

    <p>Inheritance</p> Signup and view all the answers

    Which keyword represents the current instance inside a class?

    <p>this</p> Signup and view all the answers

    What access modifier allows the member to be accessed by any other code?

    <p>Public</p> Signup and view all the answers

    What is used when creating new objects/instances?

    <p>Constructors</p> Signup and view all the answers

    What is the namespace for generic collections?

    <p>System.Collections.Generic</p> Signup and view all the answers

    Which keyword is used to call the default constructor for the base class when creating instances of derived classes?

    <p>base</p> Signup and view all the answers

    Which process allows one class to inherit from one base class and implement multiple interfaces?

    <p>Inheritance</p> Signup and view all the answers

    Which type of classes allow you to group and manage multiple related objects?

    <p>Collections</p> Signup and view all the answers

    What is used when you want to allow code outside a class to only read a field, but not change it?

    <p>Accessor</p> Signup and view all the answers

    What keyword can be used to represent the current instance inside a class?

    <p>this</p> Signup and view all the answers

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