Variable

A variable is a named location that holds a value.

Related concepts:  NameValueAssignment

Closest Wikipedia entry:  Variable (computer science)

Misconceptions about Variable

35 documented Misconceptions

AssignmentCopiesObject

Assignment copies the object

NoAtomicExpression

Expressions must consist of more than one piece

SelfAssignable

Reassigning self changes the object on which a method is called

VariablesHoldExpressions

= stores an expression: it stores a reference to the expression in a variable

VariablesHoldObjects

A variable contains a whole object