Java-进阶：Java-File-&-IO，饿了么4面（Java岗）面经分享_m0_60607838的博客

public static void main(String[] args) throws IOException {
    readUTF();
}

//转换流,InputSteamReader读取文本，采用UTF-8编码表,读取文件utf
public static void readUTF()throws IOException{
    //创建字节输入流,传递文本文件
    FileInputStream fis = new FileInputStream("c:\utf.txt");
    //创建转换流对象,构造方法中,包装字节输入流,同时写编码表名
    InputStreamReader isr = new InputStreamReader(fis,"UTF-8");
    char[] ch = new char[1024];
    int len = isr.read(ch);
    System.out.println(new String(ch,0,len));
    isr.close();
}
public static void main(String[] args) t