final char A='nan'; error: unclosed character literal

Question

error: unclosed character literalfinal char A='nan'; ^error: unclosed character literalfinal char A='nan'; ^error: not a statementfinal char A='nan'; ^3 errors请问大神怎么修改

Answer 1

..真是无语。。你的 char类型的A能存一个字符串啊！改成string