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Thursday, 21 November 2019

Java jList

To create a jList and populate it in real time;


If using Netbeans, place the component and then edit the Model in the Properties with user code to include the listModel that we created earlier in the class.

So...

listModel = new DefaultListModel();

We can populate this at any time with: 


listModel.addElement(“item 1”);
listModel.addElement(“item 2”);

The constructor for the jList must include the model, similar to:

JListjList1  = new JList(listModel);

listModel.clear();
listModel.addElement(“new item”) 
 

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