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Equality

Equality

Equality determines whether two expressions have equivalent values.

Related concepts:  OperatorValue

Closest Wikipedia entry:  Equality (mathematics)

Authoritative Definition

Wikipedia does not necessarily offer the best fitting definition of a concept. The exact meaning we attribute to the concept of Equality is based on principled authoritative sources such as:

nLab - Section equality

Misconceptions about Equality
12 documented Misconceptions

Any LanguageJavaJavaScriptPythonScratch
Check Yourself
Misconception
AssignCompares
= compares two values
Misconception
ComparisonWithBooleanLiteral
To test whether an expression is true or false, one must compare it to true or to false
Misconception
EqualityOperatorComparesObjectsValues
o==p compares the objects referred to by variables o and p
Misconception
EqualsComparesReferences
o.equals(p) compares the references stored in the variables o and p

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