- StringBuffer sb = new StringBuffer();
- for (String s : sid2primary.keySet()) {
- sb.append(s).append(' ').append(sid2primary.get(s)).append(' ')
- .append(sid2secondary.get(s)).append('\n');
+ StringBuilder sb = new StringBuilder();
+ for (Map.Entry<String, String> entry : sid2primary.entrySet()) {
+ String s = entry.getKey();
+ String value = entry.getValue();
+ sb.append(s).append(' ').append(value).append(' ')
+ .append(sid2secondary.get(s)).append('\n');