NULL Definition & Meaning - Merriam-Webster

www.merriam-webster.com/dictionary/null
The meaning of NULL is having no legal or binding force : invalid. How to use null in a sentence. Did you know?

Null - Wikipedia

en.wikipedia.org/wiki/Null
Null is a term that can have various meanings in science, technology, mathematics, arts, and people. It can refer to a zero value, a missing data, a null pointer, a null character, or a null device, among others.

What Is Null? - Computer Hope

www.computerhope.com/jargon/n/null.htm     2026-09-14T00:00:00.0000000
The concept of null and its significance in computing with our comprehensive definition, examples, and explanations. Learn how null differs from zero and empty.

NULL | English meaning - Cambridge Dictionary

dictionary.cambridge.org/dictionary/english/null
Null means having no legal force, no value or effect, or containing nothing. It can be an adjective, noun or verb in different contexts. See how to use null in sentences and compare it with related words.

c# - What does null! statement mean? - Stack Overflow

stackoverflow.com/questions/54724304/what-does-null-statement-mean
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 of the value null to non-nullable, telling the compiler that null is a "non-null" type.

null - JavaScript | MDN - MDN Web Docs

developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/null     2025-10-28T00:00:00.0000000
The null keyword refers to the null primitive value, which represents the intentional absence of any object value.

What Does Null Mean in Programming and Tech? - unanswered.io

unanswered.io/guide/what-does-null-mean-in-programming     2026-07-29T00:00:00.0000000
Learn what null really means in programming languages, databases, and tech. Discover the difference between programming null and database NULL, plus best practices to avoid null pointer bugs.

0 - Wikipedia

en.wikipedia.org/wiki/0
0 (zero, / ˈziː.roʊ /) is a number representing an empty quantity. Adding zero to or subtracting zero from any number leaves that number unchanged. In mathematical terminology, 0 is the additive identity of the integers, rational numbers, real numbers, complex numbers, and algebraic structures. Multiplying any number by 0 results in 0; therefore, division by zero is generally regarded as ...

NULL | definition in the Cambridge English Dictionary

dictionary.cambridge.org/us/dictionary/english/null
Null means having no legal force, no value or effect, or containing nothing. Learn how to use null in different contexts, such as law, mathematics, and business, with examples and synonyms.

A quick and thorough guide to 'null': what it is, and how you should use it

www.freecodecamp.org/news/a-quick-and-thorough-guide-to-null-what-it-is-and-how-you-should-use-it-d170cea62840/
Learn what null means in different programming languages, how it is implemented in memory, and when to use it or avoid it in your source code. This article explains null for reference types, not for value types, with examples in Java.
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