Knowledge check

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Check your knowledge

1.

What does the following code accomplish? var value = (int) dividend / (int) divisor;

Casts the operands to truncate the result.

Declares an explicitly typed int variable.

Casts the operands to prevent truncating the result.

2.

What does the $ symbol do when used in a string in C#?

It allows you to use string interpolation to include variables in the string.

It indicates that the string is a regular expression.

It indicates that the string is a verbatim string literal.

3.

What is wrong with the following code? int sophiaSum; Console.WriteLine("Sophia: " + sophiaSum);

sophiaSum isn't initialized before use.

sophiaSum isn't implicitly typed to a string.

sophiaSum should use the var keyword.

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