Deleting emails on specific folder - Java + GMAIL

gistfile1.java

//IMPORTANT: check the image attached in comment or below for gmail settings
//sample of method call: deleteEmails("[Gmail]/Sent Mail", username, password);

public static void deleteEmails(String folder, String user, String password) {
		
		String imapHost = "imap.gmail.com";
		String storeType = "imaps";
		
		// get the session object
        try {
			Properties properties = new Properties();
			properties.put("mail.store.protocol", storeType);
			properties.put("mail.imaps.host", imapHost);
			properties.put("mail.imaps.port","993");
			properties.put("mail.imaps.auth","true");
			properties.put("mail.imaps.ssl.trust","*");
			properties.put("mail.imaps.starttls.enable", "true");
			Session emailSession = Session.getDefaultInstance(properties);
			
			Store store = emailSession.getStore(storeType);
			store.connect(imapHost, user, password);
			Folder[] f = store.getDefaultFolder().list();
			for(Folder fd:f) {
				Folder[] fc = fd.list();
				for (Folder fc1 : fc) {
					System.out.println(fc1);
				}
			}
			
			Folder emailFolder = store.getFolder(folder);
			emailFolder.open(Folder.READ_WRITE);
			
			/*Use this to check all folder
			Message[] messages = emailFolder.getMessages();
			System.out.println("MESSAGES: " + messages.length);
			for (int i = 0; i < messages.length; i++) {
				Message message = messages[i];
				message.setFlag(Flags.Flag.DELETED, true);
			}
			*/
			
			//closes all messages marked deleted
			emailFolder.close(true);
			store.close();
			
			
			Util.notif("Emails deleted successfully...");
		} catch (Exception ex) {
			Util.notif("Problem deleting emails...");
			ex.printStackTrace();
		}
	}