public static void createSnapshot(BccClient bccClient, String volumeId, String snapshotName, String desc) {

    CreateSnapshotRequest createSnapshotRequest = new CreateSnapshotRequest();
    // Specify a disk id
    createSnapshotRequest.setVolumeId(volumeId);
    // Specify snapshot name
    createSnapshotRequest.setSnapshotName(snapshotName);
    // Set snapshot description informations
    createSnapshotRequest.setDesc(desc);
    // Print return informations
    System.out.println(bccClient.createSnapshot(createSnapshotRequest));
}

public static void listSnapshot(BccClient bccClient) {
    ListSnapshotsRequest listSnapshotsRequest = new ListSnapshotsRequest();
    // Set a paging mark
    listSnapshotsRequest.setMarker(snapshotId);
    // Set the pagination return data size
    listSnapshotsRequest.setMaxKeys(100);
    // filter to create snapshots from specified disks
    listSnapshotsRequest.setVolumeId(volumeId);
    System.out.println(bccClient.listSnapshots(listSnapshotsRequest));
}

public static void getSnapshot(BccClient bccClient) {
    System.out.println(bccClient.getSnapshot(snapshotId));
}

public static void deleteSnap(BccClient bccClient) {
    bccClient.deleteSnapshot(snapshotId);
}