The following source have been copied from the Apache Harmony project with minor changes. The most significant change is the replacement of calls to Messages to fetch exception messages from a properties file, with the actual String literal.

• DataInput
• DataInputStream
• DataOutput
• DataOutputStream
• EOFException
• PushbackInputStream
• UTFDataFormatException

This assumes the above classes are not available in com.vertispan.j2cl:jre.

• The package walkingkooka.j2cl.java.io is shaded to java.io.

• implements java.io.DataInput
• Reads data from a java.lang.String previous written by StringDataOutput
• This class is not shaded

• readFully throws UnsupportedOperationException
• readLine throws UnsupportedOperationException
• readUTF never returns null
• skipBytes throws UnsupportedOperationException

• implements java.io.DataOutput
• Writes a java.lang.String which can be consumed by StringDataOutput
• This class is not shaded

• write(byte[]) throws UnsupportedOperationException
• write(byte[], int, int) throws UnsupportedOperationException
• writeChars null throws NullPointerException
• writeUTF null throws NullPointerException