Parameters and arguments in C Sharp (C#) - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare a method that takes one integer parameter.

C Sharp (C#)

void PrintNumber([1] number) {
    Console.WriteLine(number);
}

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Abool

Bstring

Cint

Dfloat

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting to specify the type of the parameter.

Using a wrong type that doesn't match the argument.

The method parameter must have a type. Here, int is the correct type for an integer parameter.

2fill in blank

medium

Complete the code to call the method with an argument.

C Sharp (C#)

PrintNumber([1]);

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A5

B"5"

Ctrue

Dnull

Attempts:

3 left

💡 Hint

Common Mistakes

Passing a string instead of an integer.

Passing a boolean or null where an integer is expected.

The method expects an integer argument. Passing 5 (without quotes) is correct.

3fill in blank

hard

Fix the error in the method declaration by completing the parameter list.

C Sharp (C#)

void Greet([1] name) {
    Console.WriteLine($"Hello, {name}!");
}

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Aint

Bstring

Cbool

Ddouble

Attempts:

3 left

💡 Hint

Common Mistakes

Using a numeric type for a text parameter.

Forgetting to specify the parameter type.

The parameter name should be a string because it holds text.

4fill in blank

hard

Fill both blanks to declare a method with two parameters and call it with matching arguments.

C Sharp (C#)

void AddNumbers([1] a, [2] b) {
    Console.WriteLine(a + b);
}

AddNumbers(3, 4);

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Aint

Bstring

Cbool

Dfloat

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing different types for parameters.

Using non-numeric types for addition.

Both parameters should be integers to add numbers correctly.

5fill in blank

hard

Fill all three blanks to declare a method with parameters and call it with arguments.

C Sharp (C#)

void DisplayInfo([1] name, [2] age) {
    Console.WriteLine($"Name: {name}, Age: {age}");
}

DisplayInfo([3], 30);

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Astring

Bint

C"Alice"

Dtrue

Attempts:

3 left

💡 Hint

Common Mistakes

Passing wrong types as arguments.

Forgetting quotes around string arguments.

The method parameters are string and int. The argument for name must be a string literal like "Alice".