Null

Null is a concept that denotes the absence of a value.

Exercises

Badge printer

This exercise prints employee information on a badge and wraps the text to fit on a given maximum width. The reference implementation (C#) teaches:

• the null literal
• basic null checking at compile time and runtime
• nullable types

Implementations

Track	Exercise	Changes
C#	tim-from-marketing	None
JavaScript	nullability	Use file level function instead of class