A code command for experimental world

the /jv create [name] command
(to say java create) allows you to open an interface to code 
in java to implement code without datapack, mod, plugin.
/jv read [name] 
allows you to read the code created during the duration of the code
/jv copy [name]
allows you to copy the code 
/jv apply [name] allows it to be read in a loop 
/jv unapply [name]
to unapply the code