Record declaration syntax in C Sharp (C#) - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare a simple record named Person.

C Sharp (C#)

public [1] Person;

Drag options to blanks, or click blank then click option'

Aclass

Brecord

Cstruct

Dinterface

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'class' instead of 'record' for record declaration.

Using 'struct' which is a value type, not a record.

The record keyword declares a record type in C#.

2fill in blank

medium

Complete the code to declare a record with positional parameters for Name and Age.

C Sharp (C#)

public record Person([1] string Name, int Age);

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Areadonly

Bstatic

Cprivate

Dpublic

Attempts:

3 left

💡 Hint

Common Mistakes

Omitting the access modifier, which defaults to private.

Using 'readonly' which is not valid here.

Parameters in positional records are usually declared with access modifiers like public.

3fill in blank

hard

Fix the error in the record declaration by completing the code.

C Sharp (C#)

public record [1](string Name, int Age);

Drag options to blanks, or click blank then click option'

APerson

Bperson

Cclass

Drecord

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase 'person' which is not a convention.

Using 'record' or 'class' as the record name.

The record name must be a valid identifier starting with an uppercase letter by convention.

4fill in blank

hard

Complete the code to declare a record with two properties: Name and Age.

C Sharp (C#)

public [1] Person { string Name { get; init; } int Age { get; init; } }

Drag options to blanks, or click blank then click option'

Arecord

Bclass

C{

D}

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'class' instead of 'record'.

Using closing brace '}' instead of opening brace '{' in the second blank.

Records are declared with the record keyword and use braces { } to define the body.

5fill in blank

hard

Fill all three blanks to declare a positional record with Name and Age properties.

C Sharp (C#)

public [1] Person([2] string Name, int [3]);

Drag options to blanks, or click blank then click option'

Arecord

Bpublic

CAge

Dprivate

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'class' instead of 'record'.

Omitting access modifiers for parameters.

Using invalid property names.

The record keyword starts the declaration, parameters need access modifiers, and property names must be valid identifiers.