Reader (char input) I/O classes
Reader char I/O class
      .read( ) char I/O method
      .read(char[ ] ) char I/O method
      .read(char[ ], offset, len) char I/O method
      .ready( ) char I/O method
      .skip(count) char I/O method
      .close( ) char I/O method
      .markSupported( ) char I/O method
      .mark(readAheadLimit) char I/O method
      .reset( ) char I/O method
BufferedReader char I/O class
      .readLine( ) char method of BufferedReader
CharArrayReader char I/O class
FileReader char I/O class
FilterReader char I/O class
InputStreamReader char I/O class
LineNumberReader char I/O class
      .getLineNumber( ) char method of LineNumberReader
      .setLineNumber(lineno) char method of LineNumberReader
PipedReader char I/O class
      .connect(PipedWriter) char method of PipedReader
PushbackReader char I/O class
      .unread(int) char method of PushbackReader
      .unread(char[ ]) char method of PushbackReader
      .unread(char[ ], offset, len) char method of PushbackReader
StringReader char I/O class