新手请教怎么JAVA的MyInput的readChar和readString如何写

新手请问如何JAVA的MyInput的readChar和readString怎么写
同上，书上除了这2个都有，   谢谢~

------解决方案--------------------
readChar和readString怎么写

readChar()
{
BufferedReader br = new BufferedReader(new InputStreamReader(System.in()));
br.readChar;
}