129.(字节流、字符流)对文件进行读写操作

public class Main{

public static void main(String[] args) throws Exception{
String value="中国风\n";
String value2="a 中国风\n";
PrintWriter pw=new PrintWriter("temp.txt","UTF-8");
pw.write(value);
pw.write(value2);
pw.close();
// 从文件中读取内容
/*
FileInputStream fis=new FileInputStream("temp.txt");
InputStreamReader isr=new InputStreamReader(fis,"utf-8");
BufferedReader br=new BufferedReader(isr);
String b;
while((b=br.readLine())!=null){
System.out.println(b);
}
br.close();

*/
BufferedReader bfr=new BufferedReader(new InputStreamReader(new FileInputStream("temp.txt"),"utf-8"));
String b;
while((b=bfr.readLine())!=null)
System.out.println(b);
bfr.close();
}
}

FileInputStreamInputStreamReaderBufferedReaderbr.readLine();