can someone confirm or correct my understanding of programming terminology? identifier: things that...

# announcements

[LastExceed]

can someone confirm or correct my understanding of programming terminology?

identifier: things that programmers can choose a name for

object: (not the kotlin keyword specifically but in general) group of identifiers
member: direct child of an object

class: identifier that blueprints an object
singleton: class that can only produce a single object which is accessed as if the class IS the object

variable: identifier that stores a value
field: member variable
property: field with getter and setter
attribute: vague term, does not have a unique definition

function: identifier for which i dont find the right words to describe it
method: member function
lambda: nameless function
closure: lambda that captures it's context

[mathew murphy]

An identifier is the name or label itself, not the thing labeled.

[mathew murphy]

An object is an encapsulated data structure with associated behavior you can invoke via methods.

[mathew murphy]

Members aren't children, they're part of the object itself.

[mathew murphy]

A variable is a storage location which has an identifier associated with it. Technically the identifier doesn't store the value, it labels where the value is stored.

[Ruckus]

Also, there is no such restriction for Singleton:

which is accessed as if the class IS the object

Many languages (such as Java) use some sort of Class.getInstance()

[mathew murphy]

Yes, in Java typically a singleton is an object when you use it, not a class you access like an object.