java - How to notify ListModel that ArrayList have changed -

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i notify listmodel arraylist have been modified.

my arraylist automatically updated after create every person by:

new person(...);

it achieved add every person arraylist @ end of person constructor. listmodel listen changes in arraylist. arraylist part of hashmap<class, arraylist> instances of every class stored.

how notify listmodel arraylist have been changed?

notice: don't mean: how make listmodel notify jlist.

use observablelist instead of arraylist , register observablelistlistener on listmodel

or simplicty sake, use property change listener


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