import java.io.*;

public class AllFile {
    public static void main(String[] args) throws Exception {
//若使用此方法復制文本等文件中文出現亂碼，請使用上一篇文本的File方法指定編碼格式為gbk可以解決.
        try {
            InputStream in = new FileInputStream("E:\\JavaLog/logs/1.jpg");
            OutputStream out = new FileOutputStream("E:\\JavaLog/logs/1-copy.jpg");

            
 
byte[] bytes = new byte[1024];
            int zyd = -1;
            while ((zyd = in.read(bytes)) != -1) {
                out.write(bytes, 0, zyd);
            }
            in.close();
            out.close();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch
 
 (IOException e) {
            e.printStackTrace();
        }
        System.out.println("文件復制成功");
    }
}

JAVA File方法各類文件復制操作