How to use Hotswap in Netbeans?

题

How to do that? I can't find any option for it in the IDE... Please help me, I'm clueless.

解决方案

Run your app in "debug" mode
Modify your .java files and save them
Click on the "Apply Code Changes" button that appears on the toolbar (it looks like three linked green rectangles, or Tools -> Options -> Java -> Java Debugger -> General -> Appl code changes after save)

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