java - how to change the values in the array list -

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i doing assignment in school, have make restaurant table management system. have written following code having problem edit items. supposed edit items in array list. have make sure when re-run program changes still there. editmenu() in manager class , array list in meal class

but have make sure when re-run program changes still there.

use file or database. vanish when rerun program since in memory before.


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