字符IO流

//字符输入流
FileInputStream fi=new FileInputStream(“D:\mu\mu1\name.txt”);
int utf;
InputStreamReader re=new InputStreamReader(fi);
char []ar=new char[6];
while(re.read(ar)!=-1){

    }

    for (char c : ar) {
        System.out.println(c);

    }
    //字节流对象
    FileOutputStream fos = new FileOutputStream("D:\\mu\\mu1\\name.txt");
    //实例化字符输出流
    OutputStreamWriter osw = new OutputStreamWriter(fos);

            //输出文本信息
            String str = "甲骨文Java";
            osw.write("甲骨文Java");

            //关闭资源
        osw.close();
            fos.close();