viviel opened a new pull request #132:
URL: https://github.com/apache/incubator-tubemq/pull/132
Optimize code
```
List<Message> messageList = new ArrayList<>();
if (transferedMessageList == null || transferedMessageList.isEmpty()) {
return messageList;
}
change to
if (transferedMessageList == null || transferedMessageList.isEmpty()) {
return new ArrayList<>();
}
List<Message> messageList = new ArrayList<>(transferedMessageList.size());
```
```
for (int i; i < 0; i++) {}
change to
for (Object o; objects) {}
```
```
String.valueOf(consumerGroup).trim();
change to
consumerGroup.trim();
```
etc..
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