Generic class declaration in C Sharp (C#) - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare a generic class named Box.

C Sharp (C#)

public class Box[1] { }

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

A<T>

B[T]

C(T)

D{T}

Attempts:

3 left

💡 Hint

Common Mistakes

Using square brackets or parentheses instead of angle brackets.

Forgetting to include the generic type parameter.

Generic classes in C# use angle brackets <> to specify type parameters.

2fill in blank

medium

Complete the code to declare a generic class named Pair with two type parameters.

C Sharp (C#)

public class Pair[1] { }

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A(T, U)

B<T>

C<T, U>

D[T, U]

Attempts:

3 left

💡 Hint

Common Mistakes

Using parentheses or square brackets instead of angle brackets.

Declaring only one type parameter when two are needed.

Multiple generic type parameters are declared inside angle brackets separated by commas.

3fill in blank

hard

Fix the error in the generic class declaration syntax.

C Sharp (C#)

public class Container[1] { }

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

A[T]

B<T>

C(T)

D{T}

Attempts:

3 left

💡 Hint

Common Mistakes

Using square brackets or parentheses instead of angle brackets.

Omitting the generic type parameter brackets.

Generic classes must use angle brackets <> to declare type parameters.

4fill in blank

hard

Fill both blanks to declare a generic class named Result with one type parameter and a property of that type.

C Sharp (C#)

public class Result[1] {
    public [2] Value { get; set; }
}

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

A<T>

BT

Cint

Dstring

Attempts:

3 left

💡 Hint

Common Mistakes

Using a concrete type like int or string instead of the generic type parameter.

Forgetting to declare the generic type parameter in the class.

The class declares a generic type parameter and uses T as the property type.

5fill in blank

hard

Fill all three blanks to declare a generic class named Pair with two type parameters and two properties of those types.

C Sharp (C#)

public class Pair[1] {
    public [2] First { get; set; }
    public [3] Second { get; set; }
}

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

A<T, U>

BT

CU

Dint

Attempts:

3 left

💡 Hint

Common Mistakes

Using concrete types instead of generic type parameters for properties.

Forgetting to declare both generic type parameters.

The class declares two generic type parameters and uses them as property types.