Parameter

A variable holding an argument received by a function.

Related concepts:  ArgumentFunctionVariable

Closest Wikipedia entry:  Parameter (computer programming) — In computer programming, a parameter, a.k.a. formal argument, is a variable that represents an argument, a.k.a. actual argument, a.k.a.

Misconceptions about Parameter

11 documented Misconceptions

CallbackParametersInCaller — JavaScript

Parameters of a callback function may be written as parameters of the caller function

CallerFrameContainsCalleeFormal — Java

Stack frame of caller includes variables for callee's formal parameters

ConstructorParameterIsField — Java

Formal constructor parameters are equivalent to instance variables

FunctionOverloading — JavaScript

It is possible to create multiple functions with the same name but with different signatures

ImmutableRequiresFinalParameters — Java

Immutable classes need final constructor/method parameters

NamedTypeParameter — Java

To instantiate a generic type, one needs to specify type parameter names as well as types

NumberOfParametersMatchArguments — JavaScript

Functions must be called with the same number of arguments as defined in their signature

ObjectAsParameterIsCopied — JavaScript

Objects are passed by value

PrimitiveTypeParameter — Java

Type parameters of generic types can be assigned primitive types

StaticCallPolymorphic — Java

A static method call is dispatched polymorphically at runtime based on the argument types

UseOfSelfTypeImpliesRecursiveType — Java

If a class has a method that has a local variable, parameter, or return value with the class as its type, the class is a recursive type