Java Check-In System Tutorial

Here I am building a Check – In system that could be used for patients/ Clients to check in for there appointment. The user will interact with the program by inputting their Name, Last 4 SSN and Phone number.

For this tutorial the library Swing needs to be imported. Swing is used to create Jframes and JLables which we will be using in this project to hold the content of the program. Here are some more tutorials on Swing if you are unfamiliar with the library.

Creating the main frame and giving the program a title

// Create frame & title 
        JFrame frame= new JFrame(); 
        frame.setTitle("JFrame Check-In Demo");
         
               // Main Panel Frame
        JPanel mainPanel = new JPanel();
        mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.Y_AXIS));
 
        JPanel headingPanel = new JPanel();
//Heading title
        JLabel headingLabel = new JLabel("Welcome, Please fill out form to Check-In");
        headingPanel.add(headingLabel);
         
// Panel to define the layout
        JPanel panel = new JPanel(new GridBagLayout());
        GridBagConstraints constr = new GridBagConstraints();
        constr.insets = new Insets(5, 5, 5, 5);     
        constr.anchor = GridBagConstraints.WEST;
 
 // Set the initial grid values to 0,0
        constr.gridx=0;
        constr.gridy=0;

This portion of code will set the labels and the Edit text so the users can input their information into the program.

        // Text  
        JLabel LabelOne  = new JLabel("Enter your name :");
        JLabel LabelTwo = new JLabel("Last 4 SSN :");
        JLabel LabelThree = new JLabel("Enter Phone # :");
         
        //  Edit Text  
        JTextField ClientName = new JTextField(20);
        JPasswordField Last = new JPasswordField(20);
        JTextField Phone  = new JTextField(20);
         
        panel.add(LabelOne , constr);
        constr.gridx=1;
        panel.add(ClientName, constr);
        constr.gridx=0; constr.gridy=1;
         
        panel.add(LabelTwo, constr);
        constr.gridx=1;
        panel.add(Last, constr);
        constr.gridx=0; constr.gridy=2;
         
        panel.add(LabelThree, constr);
        constr.gridx=1;
        panel.add(Phone , constr);
        constr.gridy=3;
         
        constr.gridwidth = 2;
        constr.anchor = GridBagConstraints.CENTER;

Here the button is being set and the action listener. When the button is clicked it will prompt a pop up to confirm the Check-In

        // "Check-In Button"
        JButton button = new JButton("Check-In");
        // add ActionListener to button
        button.addActionListener(new ActionListener()
        {
          public void actionPerformed(ActionEvent e)
          {
        	  
        	//Reset edit Text and thank client   
            headingLabel.setText("Thanks for you for Checking-In");
            ClientName.setText("");
            Last.setText("");
            Phone .setText("");
            
            //Pop up Message 
            JOptionPane.showMessageDialog(frame,"Check-In confirmed,we will notify you.");  
            
          }
        });

Last bit of code adds it all to the panel

 // Add label and button to panel
        panel.add(button, constr);
  
        mainPanel.add(headingPanel);
        mainPanel.add(panel);
 
// Add panel to frame
        frame.add(mainPanel);
        frame.pack();
                frame.setSize(400, 400);
                frame.setLocationRelativeTo(null);
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setVisible(true);
    }
}
Output

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