フリー問題

問題文

Which kind of stream should carry text that must be decoded with a named charset?

選択肢

1. The reader hierarchy automatically handles character units, and the byte hierarchy needs one explicit memory pool around that stream.
2. The reader hierarchy automatically handles character units, and the byte hierarchy needs one explicit decoding bridge around that stream.
3. The reader hierarchy automatically handles raw octets, and the byte hierarchy needs one explicit memory pool around that stream.
4. The reader hierarchy automatically handles raw octets, and the byte hierarchy needs one explicit decoding bridge around that stream.