code: public BoxFile.Info uploadFile(InputStream fileContent, String name) {
          FileUploadParams uploadInfo = new FileUploadParams()
                  .setContent(fileContent)
                  .setName(name);
          return this.uploadFile(uploadInfo);
      }
docs: Uploads a new file to this folder.
  
  @param fileContent a stream containing the contents of the file to upload.
  @param name        the name to give the uploaded file.
  @return the uploaded file's info.