code: public void uncompressedSet(int[] initial) {
          resizeLock.lock();
          try {
              if (initial.length != length) {
                  throw new IllegalArgumentException("Array length mismatch, expected " + length + ", got " + initial.length);
              }
              store.set(new AtomicShortIntDirectBackingArray(length, initial));
          } finally {
              resizeLock.unlock();
          }
      }
docs: Sets the array equal to the given array without automatically compressing the data. The array should be the same length as this array
  
  @param initial the array containing the new values