MY approach is – Get the total mail list – List<Message> totalMessageList = Arrays

Question

Editorial Team

Asked: May 24, 20262026-05-24T06:06:02+00:00 2026-05-24T06:06:02+00:00

MY approach is –

Get the total mail list –

List<Message> totalMessageList = Arrays
            .asList(folder.getMessages());

Create a list out of this which has only unread mails. (I had to do this coz I could not find a any direct API to get list of new mails. One question which helped in finding whether a message is unread or not was posted here)
```
List<Message> unreadMessageList = new ArrayList<Message>();
```
For sake of brevity I have not posted entire logic of building the list of unread mail from list of total mails.
Iterate through the list of unread mails > Check if any mail has desired subject then read content of mail > If no such mail found then throw IllegalStateExcepton

Now my question is – Could I improve on this approach?

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Editorial Team · Answer 1 · 2026-05-24T06:06:04+00:00

Can you use

Folder.search(SearchTerm): Message[]

with the relevant SearchTerm, e.g. FlagTerm for the unread flag

Quick search on Google found this

which might be useful, but I haven’t tried it

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