| Boxed | A mechanism to wrap opaque structures registered by the type system. |
| Enum | |
| Error | The class represents an internal representation of an Error from the GTK and
GNOME libraries. |
| EventMap | An EventMap is a Java-GNOME implementation class which encapsulates all
static information that maps GTK signals to Java-GNOME events. |
| EventType | Represents a particular type of an event. |
| Flags | Base class for all classes resulting from a define-flags in a
.defs file. |
| GEvent | A base event class for capturing signals emitted by GObjects.. |
| GListString | |
| GObject | Base class for all objects that participate in the GLib object system. |
| Handle32Bits | Holds pointer to native peer on 32 bit platforms. |
| Handle64Bits | Holds pointer to native peer on 64 bit platforms. |
| Idle | Idle: an object that executes a Fireable target object's
fire method at the next available time. |
| JGException | Generic Exception in Java-GNOME. |
| List | |
| MainLoop | The MainLoop represents a main event loop. |
| MemStruct | Class for memory management of structs. |
| ParmFlags | |
| Quark | A Quark is an association between a String and an integer identifier. |
| Struct | |
| Timer | Timer: an object that executes a Fireable target object's
fire method at a specified interval. |
| Type | This class represents the GLib Runtime type identification and management
system. |
| TypeInterface | |
| Value | Value is a polymorphic type that can hold values of any other type. |