IO流之字节流复制图片

package IOliu.ByteIO;

import java.io.*;

public class CopyImajpg {
    public static void main(String[] args) throws IOException {
//      method();
        method2();
    }

    public static void method() throws IOException {
//        File
        FileReader fr=new FileReader("C:\\Users\\admin\\Desktop\\Copy.png");
        FileWriter fw=new FileWriter("C:\\Users\\admin\\Desktop\\Copy1.png");

        int tem;
        while ((tem=fr.read())!=-1){
            fw.write(tem);
        }

        fr.close();
        fw.close();
    }

    public static void method2() throws IOException {
        FileInputStream fis=new FileInputStream("C:\\Users\\admin\\Desktop\\Copy.png");
        FileOutputStream fos=new FileOutputStream("C:\\Users\\admin\\Desktop\\Copy2.png");
        int tem;
        while ((tem=fis.read())!=-1){
            fos.write(tem);
        }
        fis.close();
        fos.close();

    }
}