Field
A field is a variable that is a member of a class and may be part of an object.
Related concepts: VariableMemberClassObject
Closest Wikipedia entry: Field (computer science)
Misconceptions about Field22 documented Misconceptions
Check Yourself
AddMemberAtRuntime — Java
Set of class members can change at runtime
ArrayHasLengthMethod — Java
To get the length of an array, one needs to call its length method
CannotChainMemberAccesses — Java
Member accesses cannot be chained together
CannotChainMemberToConstructor — Java
Method calls or field accesses cannot be chained to a constructor invocation
ConstructorParameterIsField — Java
Formal constructor parameters are equivalent to instance variables
MethodAsField — Java
Each object contains its own special fields for all of its methods
MustInitializeFieldInConstructor — Java
Constructors must assign values to all fields
NoFieldInheritance — Java
An object contains only the fields declared in its class
NoFieldlessObjects — Java
Objects without instance variables can't exist
NoMethodInheritance — Java
Subclasses inherit fields but not methods
PrivateAccessibleInSubclass — Java
Private members of a superclass are accessible from a subclass
PrivateFieldsImplyImmutability — Java
A class where all fields are private is immutable
PrivateMeansFinal — Java
A private field cannot be changed
RightToLeftChaining — Java
Chained accesses are invoked from right to left
StringLengthField — Java
One can know the length of a String object by accessing its length field
ThisAsField — Java
this is a special field in the object
AccessingInexistentPropertyError — JavaScript
Accessing a non existent property on an object produces an error
IdentifierAsStringInBracketNotation — JavaScript
An identifier used to access a property with the bracket notation is treated as a string
NoBracketNotationForObjects — JavaScript
Square brackets cannot be used to access properties of an object
CannotChainAttributeAccesses — Python
Attribute accesses cannot be chained together
CannotChainAttributeToObjectInstantiation — Python
Method calls, and attribute accesses in general, cannot be chained to a constructor invocation.
RightToLeftChaining — Python
Chained accesses are invoked from right to left