# Predefined classes

Application | Global information about application.
Byte[] | An array of `Byte` values.
Class | A class loaded by the interpreter.
Classes | A collection of all classes loaded by the interpreter.
Component | A component loaded by the interpreter.
Components | A collection of all components loaded by the interpereter
Collection | A hash table whose keys are string and values are Variants.
Date[] | An array of `Date` values.
Error | Error management.
File | File management.
Float[] | An array of `Float` values.
Integer[] | An array of `Integer` values.
Object | Object management.
Object[] | An array of `Object` values.
Process | Process management.
Short[] | An array of `Short` values.
String[] | An array of `String` values.
System | Global information about operating system environment.
Variant[] | An array of `Variant` values.

Note that arrays are implemented as native classes.

See Also

Datatypes.

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