Method build

output/java_guava/1.4.19/ImmutableMap.java:297–320

Returns a newly-created immutable map. @throws IllegalArgumentException if duplicate keys were added

()

    public ImmutableMap<K, V> build() {
             switch (size) {
               case 0:
                 return of();
               case 1:
                 return of(entries[0].getKey(), entries[0].getValue());
               default:
          /*
           * If entries is full, then this implementation may end up using the entries array
           * directly and writing over the entry objects with non-terminal entries, but this is
           * safe; if this Builder is used further, it will grow the entries array (so it can't
           * affect the original array), and future build() calls will always copy any entry
           * objects that cannot be safely reused.
           */
                 if (valueComparator != null) {
                   if (entriesUsed) {
                     entries = ObjectArrays.arraysCopyOf(entries, size);
                   }
                   Arrays.sort(entries, 0, size, Ordering.from(valueComparator).onResultOf(Maps.<V>valueFunction()));
                 }
                 entriesUsed = size == entries.length;
                 return RegularImmutableMap.fromEntryArray(size, entries);
             }
    }
  }

  /**