- pairs = new ArrayList<PairEntry.Pair>(size);
- for (int i = 0; i < size; ++i) {
- pairs.add(new Pair(raf.readUTF(), raf.readUTF()));
+ // Use singletonList for better performance in common case
+ if (size == 1) pairs = Collections.singletonList(new Pair(raf.readUTF(), raf.readUTF()));
+ else
+ {
+ pairs = new ArrayList<>(size);
+ for (int i = 0; i < size; ++i) {
+ pairs.add(new Pair(raf.readUTF(), raf.readUTF()));
+ }