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Home/ Questions/Q 8632481
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Editorial Team
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Editorial Team
Asked: June 12, 20262026-06-12T09:21:33+00:00 2026-06-12T09:21:33+00:00

I am watching the following expressions in Eclipse debugger downsPanel.relsListModel.elementAt(4)==oldValue and downsPanel.relsListModel.contains(oldValue) First of

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I am watching the following expressions in Eclipse debugger

downsPanel.relsListModel.elementAt(4)==oldValue

and

downsPanel.relsListModel.contains(oldValue)

First of them evaluates to true, and second — to false.

This means that contains() does not does what I expect. What does it does then?

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  1. Editorial Team
    Editorial Team
    2026-06-12T09:21:34+00:00Added an answer on June 12, 2026 at 9:21 am

    Supposing both tests were done at the same point, this can mean only one thing : oldValue.equals(oldValue) returns false.

    So the problem is in the equals method which must be fixed.

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