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POCreating all JPanels at program startup vs. creating them only when needed
 

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    <p>As a general rule, should a program with multiple sections create everything at startup or should it wait to create each part when it is actually needed?</p> <p>My specific case is a Java kiosk-style application that has multiple different sections. Each section is a different JPanel (with different buttons / JTables / JLabels / etc.) that does a specific task. This is an unfinished project that I haven't touched in a while, but I'm going to complete it and I'm looking at the code and trying to refactor what I think I should have done otherwise.</p> <p>So far, the program is creating every single JPanel at startup, so whenever an user clicks on one of the button that changes which JPanel is shown, it it loaded instantly since it's already created. So far, I don't think it would matter that much performance-wise, but I'd like to know what is standard practice in this case.</p>
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