public static void main(String[] args) throws Exception {

        String connectionString = "DefaultEndpointsProtocol=https;AccountName=storagetest789;AccountKey=G3*****************************w==;EndpointSuffix=core.windows.net";

        StorageCredentials credentials = StorageCredentials.tryParseCredentials(connectionString);

​

        CloudStorageAccount storageAccount = new CloudStorageAccount(credentials, true);

        CloudBlobClient blobClient = storageAccount.createCloudBlobClient();

        CloudBlobContainer blobContainer = blobClient.getContainerReference("pub");

        blobContainer.createIfNotExists();

​

        CloudBlobDirectory subDirectory = blobContainer.getDirectoryReference("subDirectory1/subdirectory2/");

        CloudBlockBlob blockBlob = subDirectory.getBlockBlobReference("test.txt");

        blockBlob.uploadFromFile("D:\\User\\Desktop\\test.txt");

​

    }