where are the "external" JAR's? - netbeans

Question

Where is the lib folder with the JAR's? Is there some magic to load the JAR's from another directory?
Specifically, where is beansbinding-1.2.1.jar and the other jar is swing-layout-1.0.4.jar?
image
directory structure:
thufir#dur:~/NetBeansProjects$
thufir#dur:~/NetBeansProjects$
thufir#dur:~/NetBeansProjects$ tree fud/
fud/
├── build.xml
├── manifest.mf
├── nbproject
│   ├── build-impl.xml
│   ├── genfiles.properties
│   ├── private
│   │   ├── private.properties
│   │   └── private.xml
│   ├── project.properties
│   └── project.xml
└── src
└── dur
└── bounceme
└── net
└── view
├── NewJFrame.form
└── NewJFrame.java
7 directories, 10 files
thufir#dur:~/NetBeansProjects$
thufir#dur:~/NetBeansProjects$ head fud/build.xml
<?xml version="1.0" encoding="UTF-8"?>
<!-- You may freely edit this file. See commented blocks below for -->
<!-- some examples of how to customize the build. -->
<!-- (If you delete it and reopen the project it will be recreated.) -->
<!-- By default, only the Clean and Build commands use this build script. -->
<!-- Commands such as Run, Debug, and Test only use this build script if -->
<!-- the Compile on Save feature is turned off for the project. -->
<!-- You can turn off the Compile on Save (or Deploy on Save) setting -->
<!-- in the project's Project Properties dialog box.-->
<project name="fud" default="default" basedir=".">
thufir#dur:~/NetBeansProjects$

Answer 1

you have an option of add Jar/Folder just below Add Library . Use that

Answer 2

Just for reference, I got the following structure:
thufir#dur:~/NetBeansProjects$
thufir#dur:~/NetBeansProjects$ tree fud/
fud/
├── build.xml
├── lib
│   ├── beans-binding
│   │   ├── beansbinding-1.2.1-doc.zip
│   │   └── beansbinding-1.2.1.jar
│   ├── CopyLibs
│   │   └── org-netbeans-modules-java-j2seproject-copylibstask.jar
│   ├── nblibraries.properties
│   └── swing-layout
│   ├── swing-layout-1.0.4-doc.zip
│   ├── swing-layout-1.0.4.jar
│   └── swing-layout-1.0.4-src.zip
├── manifest.mf
├── nbproject
│   ├── build-impl.xml
│   ├── genfiles.properties
│   ├── private
│   │   ├── config.properties
│   │   ├── private.properties
│   │   └── private.xml
│   ├── project.properties
│   └── project.xml
└── src
└── dur
└── bounceme
└── net
└── view
├── NewJFrame.form
└── NewJFrame.java
11 directories, 18 files
thufir#dur:~/NetBeansProjects$
by clicking on the project properties as so:
but don't understand where this JAR's were before.