build. The output directory for the compiled classes listed below. This directory also contains manifest.mf, the manifest file that will be added to the JAR file.
compiled. Contains all compiled classes.
obfuscated. Holds the obfuscated versions of the class files.
preprocessed. Holds the source files after they are preprocessed. The files will differ from the original source files if you are using project configurations.
preverified. Holds the preverified versions of the class files. These files are packaged into your project’s distribution JAR.
preverifysrc. Versions of the source files before they are preverified.
dist. The output directory of packaged build outputs (JAR files and JAD files). The dist directory also contains generated Javadoc documentation.
lib. Contains libraries you have added to the project. See Adding Libraries and Resources.
nbproject. The directory that contains the project Ant script and other metadata.This directory contains the following files:
build-impl.xml. The IDE-generated Ant script. Do not edit build-impl.xml directly. Always override its targets in build.xml.
private/private.properties. Properties that are defined for you alone. If you are sharing the project, any properties you define in this file are not checked in with other project metadata and are only applied to your SDK installation.
project.properties. Ant properties used to configure the Ant script. This file is automatically updated when you configure the project’s properties. Manual editing is possible, but it is not recommended.
project.xml and genfiles.properties. Generated metadata files. It is possible to edit project.xml manually, it is not recommended. Do not edit genfiles.properties.
res.Resource files you have added to the project. See Adding Libraries and Resources.
src.The project source files.
build.xml. The build script. This build script only contains an import statement that imports targets from nbproject/build-impl.xml. Use the build.xml to override targets from build-impl.xml or to create new targets.