package constxiong.interview; import java.io.FileOutputStream; import java.io.IOException; /** * 测试写入字符串到文件 * @author ConstXiong * @date 2019-11-08 12:05:49 */ public class TestWriteStringToFile { public static void main(String[] args) { String cx = "ConstXiong"; FileOutputStream fos = null; try { fos = new FileOutputStream("E:/a.txt"); fos.write(cx.getBytes());//注意字符串编码 } catch (IOException e) { e.printStackTrace(); } finally { if (fos != null) { try { fos.close(); } catch (IOException e) { e.printStackTrace(); } } } } }