Java radio buttons and button groups two values

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Michael Sanders

Java radio buttons and button groups two values
1 Answer(s) 9 months ago
Posted in : Java Beginners

hi i have a problem. i have a system to input data from a jform to a mysql database. i have made all of it except the gender radiobuttons. how do i do this? i need when register is clicked depending on which button was clicked male or female be sent to the data base. i use netbeans 7.2 and mysql 5.5 here is my code

 /*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package my.registration;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
/**
 *
 * @author User
 */
public class RegistrationUIMenu1 extends javax.swing.JFrame{



    /**
     * Creates new form RegistrationUIMenu1
     */
    public RegistrationUIMenu1() {
        initComponents();
        try{
            Class.forName("com.mysql.jdbc.Driver");
            Connection conn =  DriverManager.getConnection(
                     "jdbc:mysql://localhost/autmgt","root","K13nn0r");
                  ResultSet rs=null;
        String SQL="select * from child";

        Statement st=conn.createStatement();
        rs=st.executeQuery(SQL);
        rs.last();
int k=rs.getInt(1)+1;

String k2=rs.getString(1)+1;
k2 = Integer.toString(k);
Lbl.setText(k2);
}catch(Exception e){}
    }
    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {

        buttonGroup1 = new javax.swing.ButtonGroup();
        jPanel10 = new javax.swing.JPanel();
        text3 = new javax.swing.JTextField();
        jLabel17 = new javax.swing.JLabel();
        text1 = new javax.swing.JTextField();
        text2 = new javax.swing.JTextField();
        jLabel18 = new javax.swing.JLabel();
        jSeparator3 = new javax.swing.JSeparator();
        jLabel19 = new javax.swing.JLabel();
        radio1 = new javax.swing.JRadioButton();
        radio2 = new javax.swing.JRadioButton();
        jLabel20 = new javax.swing.JLabel();
        jLabel21 = new javax.swing.JLabel();
        text7 = new javax.swing.JTextField();
        text6 = new javax.swing.JTextField();
        jLabel50 = new javax.swing.JLabel();
        jLabel51 = new javax.swing.JLabel();
        jLabel22 = new javax.swing.JLabel();
        Lbl = new javax.swing.JLabel();
        jButton2 = new javax.swing.JButton();
        jButton1 = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jPanel10.setBorder(javax.swing.BorderFactory.createEtchedBorder());

        jLabel17.setFont(new java.awt.Font("Arial", 0, 18)); // NOI18N
        jLabel17.setText("Basic Details");

        text1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                text1ActionPerformed(evt);
            }
        });

        jLabel18.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
        jLabel18.setText("Name in Full");

        jLabel19.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
        jLabel19.setText("Date of Birth");

        buttonGroup1.add(radio1);
        radio1.setText("Male");
        radio1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                radio1ActionPerformed(evt);
            }
        });

        buttonGroup1.add(radio2);
        radio2.setText("Female");
        radio2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                radio2ActionPerformed(evt);
            }
        });

        jLabel20.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
        jLabel20.setText("Age");

        jLabel21.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
        jLabel21.setText("Gender");

        jLabel50.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
        jLabel50.setText("School");

        jLabel51.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
        jLabel51.setText("Grade");

        jLabel22.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
        jLabel22.setText("Child ID");

        javax.swing.GroupLayout jPanel10Layout = new javax.swing.GroupLayout(jPanel10);
        jPanel10.setLayout(jPanel10Layout);
        jPanel10Layout.setHorizontalGroup(
            jPanel10Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel10Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel10Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel10Layout.createSequentialGroup()
                        .addGroup(jPanel10Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jSeparator3)
                            .addGroup(jPanel10Layout.createSequentialGroup()
                                .addGap(8, 8, 8)
                                .addComponent(jLabel17, javax.swing.GroupLayout.PREFERRED_SIZE, 111, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(0, 0, Short.MAX_VALUE)))
                        .addGap(4, 4, 4))
                    .addGroup(jPanel10Layout.createSequentialGroup()
                        .addGroup(jPanel10Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jLabel18)
                            .addComponent(jLabel20)
                            .addComponent(jLabel19)
                            .addComponent(jLabel21)
                            .addGroup(jPanel10Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                                .addGroup(javax.swing.GroupLayout.Alignment.LEADING, jPanel10Layout.createSequentialGroup()
                                    .addComponent(jLabel51)
                                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                    .addComponent(text7, javax.swing.GroupLayout.PREFERRED_SIZE, 160, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addGroup(jPanel10Layout.createSequentialGroup()
                                    .addComponent(jLabel50)
                                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 146, Short.MAX_VALUE)
                                    .addComponent(text6, javax.swing.GroupLayout.PREFERRED_SIZE, 160, javax.swing.GroupLayout.PREFERRED_SIZE)))
                            .addGroup(jPanel10Layout.createSequentialGroup()
                                .addComponent(jLabel22)
                                .addGap(140, 140, 140)
                                .addGroup(jPanel10Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                                    .addGroup(jPanel10Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addComponent(radio1)
                                        .addComponent(radio2)
                                        .addGroup(jPanel10Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                            .addComponent(text3, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 160, Short.MAX_VALUE)
                                            .addComponent(text2, javax.swing.GroupLayout.Alignment.TRAILING)))
                                    .addComponent(text1)
                                    .addComponent(Lbl, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))))
                        .addContainerGap(85, Short.MAX_VALUE))))
        );
        jPanel10Layout.setVerticalGroup(
            jPanel10Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel10Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jLabel17, javax.swing.GroupLayout.PREFERRED_SIZE, 24, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(3, 3, 3)
                .addComponent(jSeparator3, javax.swing.GroupLayout.PREFERRED_SIZE, 9, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(18, 18, 18)
                .addGroup(jPanel10Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(Lbl, javax.swing.GroupLayout.PREFERRED_SIZE, 20, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel22))
                .addGap(35, 35, 35)
                .addGroup(jPanel10Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(text1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel18))
                .addGap(29, 29, 29)
                .addGroup(jPanel10Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel20)
                    .addComponent(text2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(26, 26, 26)
                .addGroup(jPanel10Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel19)
                    .addComponent(text3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(30, 30, 30)
                .addGroup(jPanel10Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jLabel21)
                    .addGroup(jPanel10Layout.createSequentialGroup()
                        .addComponent(radio1)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                        .addComponent(radio2)))
                .addGap(44, 44, 44)
                .addGroup(jPanel10Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel50)
                    .addComponent(text6, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addGroup(jPanel10Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel51)
                    .addComponent(text7, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap(73, Short.MAX_VALUE))
        );

        jButton2.setText("Cancel");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        jButton1.setText("Register");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jButton2)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 308, Short.MAX_VALUE)
                .addComponent(jButton1)
                .addContainerGap())
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(layout.createSequentialGroup()
                    .addContainerGap()
                    .addComponent(jPanel10, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap(524, Short.MAX_VALUE)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jButton2)
                    .addComponent(jButton1))
                .addGap(20, 20, 20))
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(layout.createSequentialGroup()
                    .addContainerGap()
                    .addComponent(jPanel10, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addContainerGap(63, Short.MAX_VALUE)))
        );

        pack();
    }// </editor-fold>                        

    private void radio1ActionPerformed(java.awt.event.ActionEvent evt) {                                       
       String val4="Male"; // TODO add your handling code here:
    }                                      

    private void radio2ActionPerformed(java.awt.event.ActionEvent evt) {                                       
        String val5="Female"; // TODO add your handling code here:
    }                                      

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        // TODO add your handling code here:
       System.exit(0);
    }                                        

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         

         try{
            Class.forName("com.mysql.jdbc.Driver");
            Connection conn =  DriverManager.getConnection(
                     "jdbc:mysql://localhost/autmgt","root","K13nn0r");

            Statement stmt = conn.createStatement();
             String val01=Lbl.getText();
         String val1=text1.getText();
         String val2=text2.getText();
         String val3=text3.getText();
         String val4=radio1.getText();
         String val5=radio2.getText();
         String val6=text6.getText();
         String val7=text7.getText();




            String sql="INSERT INTO child VALUES("
                    +"'"+val01+"'"+","
                    +"'"+val1+"'"+","
                    +"'"+val2+"'"+"," 
                    +"'"+val3+"'"+"," 
                    +"'"+val4+"'"+"," 
                    +"'"+val6+"'"+","
                    +"'"+val7+"'"+")";
            stmt.executeUpdate(sql);


 }catch(Exception e){}
        System.exit(0);       // TODO add your handling code here:
    }                                        

    private void text1ActionPerformed(java.awt.event.ActionEvent evt) {                                      

                // TODO add your handling code here:
    }                                     

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(RegistrationUIMenu1.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(RegistrationUIMenu1.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(RegistrationUIMenu1.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(RegistrationUIMenu1.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>



        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new RegistrationUIMenu1().setVisible(true);

            }
        });
    }

    // Variables declaration - do not modify                     
    private javax.swing.JLabel Lbl;
    private javax.swing.ButtonGroup buttonGroup1;
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JLabel jLabel17;
    private javax.swing.JLabel jLabel18;
    private javax.swing.JLabel jLabel19;
    private javax.swing.JLabel jLabel20;
    private javax.swing.JLabel jLabel21;
    private javax.swing.JLabel jLabel22;
    private javax.swing.JLabel jLabel50;
    private javax.swing.JLabel jLabel51;
    private javax.swing.JPanel jPanel10;
    private javax.swing.JSeparator jSeparator3;
    private javax.swing.JRadioButton radio1;
    private javax.swing.JRadioButton radio2;
    private javax.swing.JTextField text1;
    private javax.swing.JTextField text2;
    private javax.swing.JTextField text3;
    private javax.swing.JTextField text6;
    private javax.swing.JTextField text7;
    // End of variables declaration                   
}

View Answers

August 22, 2012 at 5:46 PM

Here is an java swing example where we are going to insert three fields - name, password and gender.

import java.sql.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class SwingFrame{
JTextField text;

public static void main(String[] args) throws Exception{
SwingFrame sf=new SwingFrame();
}

public SwingFrame(){
JFrame f = new JFrame("Frame in Java Swing");
f.getContentPane().setLayout(null);
JLabel lbl1 = new JLabel("Name");
final JTextField jt1=new JTextField(15);
JLabel lbl2 = new JLabel("Password");
final JPasswordField jt2=new JPasswordField(15);
JLabel lbl3 = new JLabel("Confirm Password");
final JPasswordField jt3=new JPasswordField(15);
JLabel lbl4 = new JLabel("Gender");
final JRadioButton Male,Female;
ButtonGroup radioGroup=new ButtonGroup();
Male=new JRadioButton("Male");
radioGroup.add(Male);
Female=new JRadioButton("Female");
radioGroup.add(Female);
JButton button=new JButton("Submit");
text=new JTextField(15);
Male.addActionListener(al);
Female.addActionListener(al);
lbl1.setBounds(50,50,70,30);
lbl2.setBounds(50,90,70,30);
lbl3.setBounds(50,130,70,30);
lbl4.setBounds(50,170,70,30);
button.setBounds(50,210,100,30);
jt1.setBounds(110,50,100,30);
jt2.setBounds(110,90,100,30);
jt3.setBounds(110,130,100,30);
Male.setBounds(110,170,100,30);
Female.setBounds(210,170,100,30);
text.setBounds(110,210,100,30);
text.setVisible(false);

button.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
String name=jt1.getText();
String pass=jt2.getText();
String cpass=jt3.getText();
String g=text.getText();
if(name.length()>10){
JOptionPane.showMessageDialog(null,"You cannot exceed more than 10 characters in the name field");
jt1.setText("");
}
else if(!pass.equals(cpass)){
JOptionPane.showMessageDialog(null,"Your password and confirm password does not match");
jt2.setText("");
jt3.setText("");
}
else if((Male.isSelected()==false)&&(Female.isSelected()==false)){
JOptionPane.showMessageDialog(null,"Please select radio button");
}

else{
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con = DriverManager.getConnection("jdbc:odbc:access");
PreparedStatement st=con.prepareStatement("insert into names(name,password,gender) values(?,?,?)");
st.setString(1,name);
st.setString(2,pass);
st.setString(3,g);
int i=st.executeUpdate();
JOptionPane.showMessageDialog(null,"Data is successfully inserted into database.");
}
catch(Exception ex){}
}
}
});



f.add(lbl1);
f.add(lbl2);
f.add(lbl3);
f.add(lbl4);
f.add(jt1);
f.add(jt2);
f.add(jt3);
f.add(Male);
f.add(Female);
f.add(button);
f.add(text);
f.setSize(500,500);
f.setVisible(true);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
private ActionListener al = new ActionListener() {
public void actionPerformed(ActionEvent e) {
text.setText(((JRadioButton) e.getSource()).getText());
}
};
}

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inserting data from radio buttons to database hi, i am getting error in my code of feedback form. once i finished selecting all the radio buttons and when i click on delete button. it points to the answer.jsp. answer.jsp

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