toString() method of DenseVectorWritable

[Edward J. Yoon]

Looks like a typos.

DenseVectorWritable 81 line:

    st.append(" " + getSize() + " " + getSize());

I'll change like:

  st.append("length: " + getSize() + "arrays: ");

-- 
Best Regards, Edward J. Yoon
@eddieyoon