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CPP225 Object Oriented Programming I Methods

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CPP225 Object Oriented Programming I Methods

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Questions and Answers

What is the purpose of expression-bodied members in C#?

To create local functions within a method

To allow methods to return multiple values

To enforce strict data type checking

To provide a shorter syntax for single-line methods (correct)

In C#, what is the purpose of the 'out' modifier in method parameters?

To specify optional parameters

To declare static local functions

To pass arguments by reference

To return multiple values from a method (correct)

What does a static method allow in C#?

It can only return void type

It can only be called from within the same namespace

It can access instance members of a class

It can be called directly without creating a class instance (correct)

When would you use the 'ref' modifier in C#?

To pass arguments by reference Signup and view all the answers

What feature allows you to define a function inside another function?

Local Functions Signup and view all the answers

In C#, what does 'Method Overloading' refer to?

Defining multiple methods with the same name but different parameters Signup and view all the answers

What is the purpose of using a local function in a method?

To allow the function to be called only within the method where it is defined Signup and view all the answers

In object-oriented programming, what can a static local function do?

Change the values of variables from the main function directly Signup and view all the answers

What is the benefit of adding the static modifier to a local function?

Prevents the local function from accessing the main method variables directly Signup and view all the answers

How are value types passed into a function by default?

By value Signup and view all the answers

What happens to the original variables when a value type parameter is passed into a method?

A copy of the data is passed into the function and any modifications do not affect the original variables Signup and view all the answers

What is the purpose of using the 'out' modifier for method parameters?

To indicate that parameters must be assigned to a value before exiting the method scope Signup and view all the answers

In which scenario does a local function prove advantageous over creating another method?

When the function is only needed within a specific method Signup and view all the answers

What does a static local function prevent from happening?

Accessing the main method variables directly Signup and view all the answers

How does a local function differ from a regular method?

It can only be called within the method where it is defined Signup and view all the answers

What happens to the original variables when a reference type parameter is passed into a method?

They are passed by reference, and any modifications affect the original variables. Signup and view all the answers