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These topics discuss saving and loading J objects (in object-oriented sense and otherwise), individually or in groups, a technology also known as "persistence" or "serialization".

Regular Files

Special File Formats

File Workspace

Object per File

By Devon McCormick, File J Variables (originally Utility contribution: WS.ijs - var->file, file->var in JForum, <<Date(2003-07-12T00:00:00)>>)

Component Files

Keyed Files

NOTE: the 'keyfiles' library mentioned in the above pages has been merged into 'jfiles' so load that instead.

Memory-Mapped Files

See Also