String everything = null;
        BufferedReader br = null;
          try {
           br = new BufferedReader(new FileReader("file.txt"));
          } catch (FileNotFoundException e1) {
           // TODO Auto-generated catch block
           e1.printStackTrace();
          }
              try {
                  StringBuilder sb = new StringBuilder();
                  String line = null;
            try {
             line = br.readLine();
            } catch (IOException e) {
             // TODO Auto-generated catch block
             e.printStackTrace();
            }

                  while (line != null) {
                      sb.append(line);
                      sb.append('\n');
                      line = br.readLine();
                  }
                  everything = sb.toString();
              } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
           } finally {
                  try {
             br.close();
            } catch (IOException e) {
             // TODO Auto-generated catch block
             e.printStackTrace();
            }
              }




        help.setText("Segítség");
        help.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent arg0) {
                JOptionPane.showMessageDialog( null, everything,"Valami",JOptionPane.OK_CANCEL_OPTION);
                //JOptionPane.showInputDialog(null, everything, "asd", JOptionPane.OK_CANCEL_OPTION);
            }
        });