Assertion: variable | /r/HasProperty | referenced
Facets:
value: the same way they are
type: OTHER
value: to an object
type: TRANSITIVE-OBJECT
value: correctly
type: MANNER
value: by putting special symbols
type: MANNER
value: usually
type: DEGREE
Source sentences:
text: They are usually referenced by putting special symbols in front of or around the variable name.
text: (Note: If the variable is a reference, this means that the variable cannot be re-bound to reference another object.
text: When a variable points to an object the variable is called a "reference" to an object.
text: The scope of a variable is the part of the script where the variable can be referenced/used.
text: This allows variables to be referenced correctly, so their values are used when the line is executed in the script.
text: Variables shadowed by Interface hierarchies are referenced the same way they are for class hierarchies.