A Java JAR file is an archived program of libraries you use to add functionality to your Java program. Import a JAR file into your project to install the libraries. After the JAR file installs, you can use the libraries anywhere in your custom application. Programmers distribute JAR files, so other programmers can use the programming interface without retyping and recreating the library code.
Instructions
1. Open the Eclipse software from the Windows "Start" menu, or double-click the "eclipse.exe" shortcut on your desktop to launch the software.
2. Click the Eclipse "File" menu and select "Import." Click the option labeled "Existing Projects into Workspace" in the list of options shown. Click "Next."
3. Check the option labeled "Select archive file." A text box displays where you select the location of the JAR file. Click "Browse" and select your JAR file.
4. Click "Finish" to install the JAR file. The JAR package displays in the left navigation panel. Double-click the JAR package name to review the library files.
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