C# Fundamentals Assessment

What is the default value of an int in C#?

• -1

• 0

• 1

• null

Which of the following is a value type in C#?

• string

• bool

• float

• int

What keyword is used to define a method in C#?

• method

• void

• define

• function

How do you declare a string variable in C#?

• string myString;

• myString: string;

• string myVariable = 'Hello';

• var myString = 'Hello';

What is the purpose of the 'if' statement in C#?

• The 'if' statement is used for conditional execution of code.

• The 'if' statement is used to define classes.

• The 'if' statement is used for looping through arrays.

• The 'if' statement is used to declare variables.

What is the syntax for a switch statement in C#?

• switch (variable) { case value1: // code block; }

• switch (variable) { case value1: // code block; default: // code block; }

• switch { case value1: // code block; break; }

• switch (variable) { case value1: // code block; break; case value2: // code block; break; default: // code block; }

How do you declare a boolean variable in C#?

• int isTrue;

• boolean isTrue = true;

• bool isTrue; or bool isTrue = true;

• string isTrue = 'true';

What is the output of the following code: Console.WriteLine(5 > 3);?

• False

• True

• 5 < 3

• 3 > 5

Which data type would you use to store a character in C#?

• float

• char

• string

• int