File fileout = new File("D:\\fw.txt");//这里改成你要写入的路径
OutputStreamWriter osr = new OutputStreamWriter(new FileOutputStream(fileout), "UTF-8");
BufferedWriter br = new BufferedWriter(osr);
br.write('里面加你的程序运行结果');
养成良好的习惯,用完IO流记得关闭
finally{
out.close();
in.close();
}
关闭流的顺序一般是先打开的后关闭,后打开的先关闭