Oct 28, 2025 · The null keyword refers to the null primitive value, which represents the intentional absence of any object value. The keyword null is a literal for the null value. Unlike undefined, …

Null often pops up in legal and scientific contexts; it was originally used in Scottish law and still carries the meaning "having no legal or binding force," especially in the phrase "null and void."

Null character, the zero-valued ASCII character, also designated by NUL, often used as a terminator, separator or filler. This symbol has no visual representation.

Feb 16, 2019 · It can be used on a type to control Nullability, it is then called the "Null Forgiving Operator". Basically, null! applies the ! operator to the value null. This overrides the nullability …

Jun 12, 2018 · null is a fundamental concept in many programming languages. It is ubiquitous in all kinds of source code written in these languages. So it is essential to fully grasp the idea of …

Dec 2, 2022 · Learn about the C# null-forgiving, or null-suppression, operator that is used to declare that an expression of a reference type isn't null.

A field with a NULL value is a field with no value. If a field in a table is optional, it is possible to insert a new record or update a record without adding a value to this field.

Jan 12, 2024 · A null pointer constant may be converted to any pointer type; such conversion results in the null pointer value of that type.