package com.itheima.convertedio;

import java.io.*;
import java.nio.charset.Charset;

public class ConverteDemo1 {
    public static void main(String[] args) throws IOException {
        //method1();
        //mthode2();
        FileReader fr=new FileReader(".//a.txt", Charset.forName("UTF-8"));
        int ch;
        while ((ch=fr.read())!=-1){
            System.out.println((char) ch);
        }
        fr.close();
    }

    private static void mthode2() throws IOException {
        InputStreamReader isr=new InputStreamReader(new FileInputStream(".\\a.txt"),"UTf-8");
        int ch;
        while ((ch=isr.read())!=-1){
            System.out.println((char) ch);
        }
        isr.close();

        OutputStreamWriter osw=new OutputStreamWriter(new FileOutputStream(".\\a.txt"),"UTF-8");
        osw.write("我爱学习，谁也别打扰我");
        osw.close();
    }

    private static void method1() throws IOException {
        FileReader fr=new FileReader(".\\a.txt");
        int ch;
        while ((ch=fr.read())!=-1){
            System.out.println((char) ch);
        }
    }
}