Jsch with JRE 1.7 Not able to use LsEntry in Vector && ArrayList

[Giribabu]

ArrayList<String> list = new ArrayList<String>();
Vector<LsEntry> entries = sftpChannel.ls(".");
for (LsEntry entry : entries) {
if(entry.getFilename().toLowerCase().endsWith(".csv")) {
list.add(entry.getFilename());
}
}

Vector<ChannelSftp.LsEntry> list = channelSftp.ls("*.cvs");
for(ChannelSftp.LsEntry entry : list) {
channelSftp.get(entry.getFileName(), destinationPath + entry.getFileName());
}