public class Test {    public static void main(String[] args) {            method1("F:\\test.txt" , "测试测试将字符写入文件默默");     }            /**       * 追加文件：使用FileOutputStream，在构造FileOutputStream时，把第二个参数设为true       *        * @param fileName       * @param content       */       public   static   void  method1(String file, String conent) {          BufferedWriter out = null ;          try  {              out = new  BufferedWriter( new  OutputStreamWriter(                      new  FileOutputStream(file,  true )));              out.write(conent);          } catch  (Exception e) {              e.printStackTrace();        } finally  {              try  {                  out.close();              } catch  (IOException e) {                  e.printStackTrace();              }          }      }      }