Method declaration and calling in C Sharp (C#) - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare a method named Greet that prints a message.

C Sharp (C#)

void [1]() {
    Console.WriteLine("Hello!");
}

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AGreet

BPrint

CSayHello

DMessage

Attempts:

3 left

💡 Hint

Common Mistakes

Using a method name different from the one asked.

Leaving the method name blank.

The method name should be Greet as specified.

2fill in blank

medium

Complete the code to call the method named Greet.

C Sharp (C#)

class Program {
    static void Main() {
        [1]();
    }
}

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AMessage

BPrint

CGreet

DSayHello

Attempts:

3 left

💡 Hint

Common Mistakes

Calling a method with a wrong name.

Forgetting the parentheses when calling the method.

To call the method, use its exact name Greet followed by parentheses.

3fill in blank

hard

Fix the error in the method declaration by completing the missing return type.

C Sharp (C#)

[1] Greet() {
    Console.WriteLine("Hello!");
}

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Avoid

Bint

Cstring

Dbool

Attempts:

3 left

💡 Hint

Common Mistakes

Using a return type other than void without returning a value.

Leaving the return type blank.

The method does not return a value, so the return type should be void.

4fill in blank

hard

Fill both blanks to declare a method named Add that returns the sum of two integers a and b.

C Sharp (C#)

static [1] Add(int a, int b) {
    return a [2] b;
}

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Aint

B+

C-

Dvoid

Attempts:

3 left

💡 Hint

Common Mistakes

Using void as return type when returning a value.

Using subtraction instead of addition.

The method returns an integer, so the return type is int. The sum uses the + operator.

5fill in blank

hard

Fill all three blanks to declare and call a method named Multiply that returns the product of two integers x and y.

C Sharp (C#)

static [1] Multiply(int x, int y) {
    return x [2] y;
}

static void Main() {
    int result = Multiply([3], 5);
    Console.WriteLine(result);
}

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

Aint

B*

C3

D5

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong return type.

Using wrong operator.

Passing wrong argument value.

The method returns an integer, so int is the return type. The multiplication operator is *. The method is called with 3 and 5.