Login java from .txt file based

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Java

need help!. how do you display the name of the person who just logged in from .txt file?, here is my login code

<pre>public void Masuk(){
    try {
    String lokasi = "D:/settings.txt";
            String username = txtUser.getText();
            String password = txtPass.getText();
    
    
            FileReader fr = new FileReader(lokasi);
            BufferedReader br = new BufferedReader(fr);
            String line, user, pass;
            boolean isLoginSuccess = false;
           while ((line = br.readLine()) != null) {
                user = line.split(" ")[1].toLowerCase();
                pass = line.split(" ")[2].toLowerCase();
                if (user.equals(username) && pass.equals(password)) {
                    isLoginSuccess = true;
                    this.dispose();
                    new Main_Menu(this, rootPaneCheckingEnabled).show();
                    
                    break;
                } 
           }
                
                
              if (!isLoginSuccess) {
                JOptionPane.showMessageDialog(null, "USERNAME/PASSWORD WRONG", "WARNING!!", JOptionPane.WARNING_MESSAGE);
            }
            fr.close();
         
            
    }catch(Exception e){
    e.printStackTrace();
        }
            }

and here is my jdialog form to display the name of the person who just logged in

public void Berhasil(){
        String data = "D:/Settings.txt";
        
        
        
       try {
            FileReader fr = new FileReader(data);
           BufferedReader br = new BufferedReader(fr);
           String line = br.readLine(),nama;
           
           nama = line.split(" ")[0].toLowerCase();
         String message = "Selamat datang "+ nama;
           
            
            
            String text;
            
            while ((line = br.readLine()) != null)
                
            txtBerhasil.setText(""+message);
        } 
        catch (FileNotFoundException fnfe) {
            fnfe.getMessage();
        } 
        catch (IOException ioe) {
            ioe.getMessage();
        }
                
                
        
    }

and this is how my .txt file look like

Luthfi Luthfi Hehe
Luthfi Fitra Hehe

i supposed to display the first word only, because the first word is the name, and the second word is the username, and the third word is the password

What I have tried:

i already tried questioning at the stackoverflow but i dont get any big help

ps: sorry for my bad english