Equality
Equality determines whether two expressions have equivalent values.
Related concepts: OperatorValue
Closest Wikipedia entry: Equality (mathematics)
Misconceptions about Equality12 documented Misconceptions
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AssignCompares
= compares two values
ComparisonWithBooleanLiteral
To test whether an expression is true or false, one must compare it to true or to false
EqualityOperatorComparesObjectsValues
o==p compares the objects referred to by variables o and p
EqualsComparesReferences
o.equals(p) compares the references stored in the variables o and p