try this
if (playerCommand.startsWith("item") && c.playerRights >= 2) {
try {
String[] args = playerCommand.split(" ");
if (args.length == 3) {
int newItemID = Integer.parseInt(args[1]);
int newItemAmount = Integer.parseInt(args[2]);
if ((newItemID <= 20000) && (newItemID >= 0)) {
c.getItems().addItem(newItemID, newItemAmount);
} else {
c.sendMessage("No such item.");
}
} else {
c.sendMessage("Use as :ickup 995 200");
}
} catch(Exception e) {
}
}