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make sure that the dialogs are not model and just make the same call again if you want the same window to display again. &nbsp;
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make sure that the dialogs are not model and just make the same call again if you want the same window to display again.  

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write a class for a frame which lists the cities and in that have a method to initialize the frame and show it. In your main window add a actionlistener to that select cities button, so when ever the button is clicked call the method to show up the second window with list of cities.
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write a class for a frame which lists the cities and in that have a method to initialize the frame and show it. In your main window add a actionlistener to that select cities button, so when ever the button is clicked call the method to show up the second window with list of cities.

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<a href="http://javaalmanac.com/egs/javax.swing/pkg.html" rel="ugc">http://javaalmanac.com/egs/javax.swing/pkg.html</a>
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http://javaalmanac.com/egs/javax.swing/pkg.html [http://javaalmanac.com/egs/javax.swing/pkg.html]

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In java how do I open up a second window (or pop window) when the user presses a button. &nbsp;For example, say my main window has a &quot;select city&quot; button, upon pressing the button a second window comes up which lists a list of cities.
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In java how do I open up a second window (or pop window) when the user presses a button.  For example, say my main window has a "select city" button, upon pressing the button a second window comes up which lists a list of cities.

Opening a second window

Java is a platform-independent, object-oriented programming language and run-time environment, designed to have as few implementation dependencies as possible such that developers can write one set of code across all platforms using libraries. Most devices will not run Java natively, and require a run-time component to be installed in order to execute a Java program.