Junrar.extract("/tmp/foo.rar", "/tmp");
//or
final File rar = new File("foo.rar");  
final File destinationFolder = new File("destinationFolder");
Junrar.extract(rar, destinationFolder);    
//or
final InputStream resourceAsStream = Foo.class.getResourceAsStream("foo.rar");//only for a single rar file
Junrar.extract(resourceAsStream, tempFolder);

// Assuming you already have an InputStream from the rar file and an OutputStream for writing to
final Archive archive = new Archive(inputStream);
  while (true) {
      FileHeader fileHeader = archive.nextFileHeader();
      if (fileHeader == null) {
          break;
      }
      archive.extractFile(fileHeader, outputStream); 
  }

final List<ContentDescription> contentDescriptions = Junrar.getContentsDescription(testDocuments);    

Junrar.extract("/tmp/foo.rar", "/tmp", "password");
//or
final File rar = new File("foo.rar");  
final File destinationFolder = new File("destinationFolder");
Junrar.extract(rar, destinationFolder, "password");    
//or
final InputStream resourceAsStream = Foo.class.getResourceAsStream("foo.rar");//only for a single rar file
Junrar.extract(resourceAsStream, tempFolder, "password");

Junrar.extract("/tmp/foo.001.rar", "/tmp");