Java – Could not find or load main class Eclipse

eclipsejavaswing

I am new to JAVA. I am using Eclipse 3.7 with WindowBuilder Pro installed. I have made a JFrame SearchFrame.java using the GUI in the package SearchPackage.
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But when I try to run this file it gives me the error:

Error: Could not find or load main class SearchPackage.SearchFrame

I looked into my output folder DatabaseSearch/bin and there is no .class file in it. Please suggest me what should I do to rectify this. Thanks in advance.

Best Answer

This worked for me

Try to:

  • Right click on the Project in PackageExplorer -> Properties -> Java Build Path
  • Select Order and Export tab, and move the source package that contains the main class to the top, by selecting the correct package and pressing the Up button.
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