Pemilihan jRadiButton Menggunakan If Else Berbasis String

/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package latihan13;


import javax.swing.ButtonGroup;

import javax.swing.ButtonModel;

import java.util.Enumeration;
import javax.swing.JOptionPane;

/**
 *
 * @author steven
 */
public class RadioButton4 extends javax.swing.JFrame {

    /**
     * Creates new form RadioButton4
     */
    public RadioButton4() {
        initComponents();
    }

    /**
     * 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();
        jRadioButton1 = new javax.swing.JRadioButton();
        jRadioButton2 = new javax.swing.JRadioButton();
        jRadioButton3 = new javax.swing.JRadioButton();
        jRadioButton4 = new javax.swing.JRadioButton();
        jButton1 = new javax.swing.JButton();
        jTextField1 = new javax.swing.JTextField();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jRadioButton1.setFont(new java.awt.Font("Cantarell", 1, 15)); // NOI18N
        jRadioButton1.setText("Steven Nathaniel");

        jRadioButton2.setFont(new java.awt.Font("Cantarell", 1, 15)); // NOI18N
        jRadioButton2.setText("Yulia Mulyawati");

        jRadioButton3.setFont(new java.awt.Font("Cantarell", 1, 15)); // NOI18N
        jRadioButton3.setText("Noviah D Lestyorini");

        jRadioButton4.setFont(new java.awt.Font("Cantarell", 1, 15)); // NOI18N
        jRadioButton4.setText("Lilis Hendayani");

        jButton1.setFont(new java.awt.Font("Cantarell", 1, 15)); // NOI18N
        jButton1.setText("Pilihanku");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jTextField1.setFont(new java.awt.Font("Cantarell", 1, 15)); // NOI18N

        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()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jRadioButton1)
                    .addComponent(jRadioButton2)
                    .addComponent(jRadioButton3)
                    .addComponent(jRadioButton4))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 51, Short.MAX_VALUE)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                    .addComponent(jButton1, javax.swing.GroupLayout.DEFAULT_SIZE, 161, Short.MAX_VALUE)
                    .addComponent(jTextField1))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jRadioButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 28, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jRadioButton2))
                    .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jRadioButton3)
                    .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 38, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addComponent(jRadioButton4)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

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

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:


        buttonGroup1.add(jRadioButton1);

        buttonGroup1.add(jRadioButton2);

        buttonGroup1.add(jRadioButton3);

        buttonGroup1.add(jRadioButton4);


        String pilihanku = jTextField1.getText();


        if(pilihanku.equals("Steven Nathaniel")){


            buttonGroup1.setSelected(jRadioButton1.getModel(), true);





        }else if (pilihanku.equals("Yulia Mulyawati")){


            buttonGroup1.setSelected(jRadioButton2.getModel(), true);



        }else if (pilihanku.equals("Noviah D Lestyorini")){


            buttonGroup1.setSelected(jRadioButton3.getModel(), true);



        }else if (pilihanku.equals("Lilis Hendayani")){


            buttonGroup1.setSelected(jRadioButton4.getModel(), true);



        }else{


            JOptionPane.showMessageDialog(null, "Maaf Pilihan Tidak tersedia");


        }





















    }

    /**
     * @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(RadioButton4.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(RadioButton4.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(RadioButton4.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(RadioButton4.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 RadioButton4().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify
    private javax.swing.ButtonGroup buttonGroup1;
    private javax.swing.JButton jButton1;
    private javax.swing.JRadioButton jRadioButton1;
    private javax.swing.JRadioButton jRadioButton2;
    private javax.swing.JRadioButton jRadioButton3;
    private javax.swing.JRadioButton jRadioButton4;
    private javax.swing.JTextField jTextField1;
    // End of variables declaration
}