• Setting NetBeans Options:
    • This next step is for Java experts only!
    • By default NetBeans shows all .java and .class files. Since we don't want to see the .class files we need to tell NetBeans to ignore them.
    • Click on the Advanced Options button to bring up the advanced options, or the Miscellaneous screen under NetBeans 6.5+.
    • Bring up the System Settings (this is under IDE Configuration / System) or select the Files tab under NetBeans 6.5+.
      Click image for larger view.
    • Click the ... button next to the Ignored Files field, or edit the Files Ignored by the IDE setting.
    • Update the regular expression by adding the following to the end. 
      |.*\.class$
      Click image for larger view.