cdm/src/main/java/ucar/ma2/ArrayChar.java
protected void copyFrom1DJavaArray(IndexIterator iter, Object javaArray) {
    char[] ja = (char[]) javaArray;
    for (char aJa : ja) iter.setCharNext(aJa);
  }
protected void copyFrom1DJavaArray(IndexIterator iter, Object javaArray) {
    char[] ja = (char[]) javaArray;
    for (char aJa : ja) iter.setCharNext(aJa);
  }
copy from javaArray to storage using the iterator: used by factory( Object);