Method toArray

output/java_guava/1.4.17/Chars.java:437–449

Copies a collection of Character instances into a new array of primitive char values. Elements are copied from the argument collection as if by collection.toArray(). Calling this method is as thread-safe as calling that method. @param collection a collection of {@code Ch

(Collection<Character> collection)

  public static char[] toArray(Collection<Character> collection) {
    if (collection instanceof CharArrayAsList) {
      return ((CharArrayAsList) collection).toCharArray();
    }
    Object[] boxedArray = collection.toArray();
    int len = boxedArray.length;
    char[] array = new char[len];
    for (int i = 0; i < len; i++) {
      // checkNotNull for GWT (do not optimize)
      array[i] = (Character) checkNotNull(boxedArray[i]);
    }
    return array;
  }

  /**
   * Returns a fixed-size list backed by the specified array, similar to