1、4、从标准设备中输入若干行英文句子,直到输入"bye"结束,将这些字符串写入文件。importjava.io.*;publicclassbye{publicstaticvoidmain(Stringargs[])throwsIOException{System.out.println("Please input some sentences end with 'bye':");BufferedReaderkeyin=newBufferedReader(newInputStreamReader(Syst