save selected checkbox and radio button in notepad

try 
   {
     JFileChooser flcFile = new JFileChooser("c:/");
     int rep = flcFile.showSaveDialog(this);
     File filesave = flcFile.getSelectedFile();
     if (rep == JFileChooser.APPROVE_OPTION)
     {

         try(FileWriter writer = new FileWriter(filesave)) 
         {

             //if(chkE.isSelected() == true){
               //do stuff
              }

              writer.write(String.valueOf(txtNom1.getText()));
              writer.write("\r\n");
              writer.write(String.valueOf(txtPre1.getText()));
              writer.write("\r\n");
              writer.write(String.valueOf(optoui.getText()));
              writer.write("\r\n");
              writer.write(String.valueOf(optoui.getText()));
              writer.write("\r\n");
              writer.write(String.valueOf(optnon.getText()));
              writer.write("\r\n");
              writer.write(String.valueOf(chkanimaux.getText()));
              writer.write("\r\n");
              writer.write(String.valueOf(chkChauffer.getText()));
              writer.write("\r\n");
              writer.write(String.valueOf(chkE.getText()));
              writer.write("\r\n"); 
              writer.write(String.valueOf(txttel.getText()));
              writer.write("\r\n");

             writer.close();
         }
     }

   }



   catch(IOException err1)
   {

   }

my english isn't my first language.

hi, so i need to save information for my final project and i need one little thing for complet it.

my Question is, how i do to save selected checkbox or radio button in notepad?

i know how to save any String information but i dont know how to save the selected checkbox/radio button in my notepad so when i will open it back and it will select it automatically. i tried if(chkE.isSelected() == true) but i dont know what to write in for making it save into my notepad. thx in advance