Java Swing Look and Feel Feature-Example-Set Motif,Metal and Windows Look and Feel

Write a following code in netbeans IDE 7.1 and save file as RegistrationForm.java and run it and you can able to set your look and feel in your application.  

package registrationform;

/**

 *

 * @author NISH

 */

import java.awt.Container;

import java.awt.Font;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.ItemEvent;

import java.awt.event.ItemListener;

import javax.swing.*;

public class RegistrationForm extends JFrame implements ItemListener,ActionListener{

    JLabel title,lookfeel;

    JLabel l[]=new JLabel[7];

    JTextField t[]=new JTextField[7];

    JPasswordField tp;

    String lbl[]=new String[7];

    Container c;

    JComboBox cb;

    JRadioButton male,female;

    JOptionPane jop;

    ButtonGroup grp;

    JButton breg,bcncl;

    int vsp=80,hsp=100;

    int spx,spy;

    public RegistrationForm()

    {

        lbl[0]="Name :"; lbl[1]="Address :"; lbl[2]="Gender :"; lbl[3]="Email :"; lbl[4]="Phno :"; lbl[5]="Uname :"; lbl[6]="Password :";

        c=this.getContentPane();

        setLayout(null);

        lookfeel=new JLabel("Select LookAndFill :");

        lookfeel.setBounds(5, 5, 120, 20);

        c.add(lookfeel);

        cb=new JComboBox();

        cb.setBounds(125, 5, 75, 20);

        cb.addItem("Metal");

        cb.addItem("Motif");

        cb.addItem("Window");

        c.add(cb);

        title=new JLabel("Registration");

        title.setFont(new Font("Times New Roman", NORMAL, 20));

        title.setBounds(170, 30, 120,90);

        c.add(title);

       

        spy=30;

        spx=100;

        for(int i=0;i<=6;i++)

        {

            l[i]=new JLabel(lbl[i]);

            l[i].setBounds(vsp,hsp , 80, 40);

            hsp=hsp + spy;

            c.add(l[i]);

        }

        male=new JRadioButton("Male");

        female=new JRadioButton("Female");

        vsp=80;

        vsp=vsp+spx;

        hsp=110;

        for(int i=0;i<=6;i++)

        {

            t[i]=new JTextField("");

            if(i==2)

            {

                    male.setBounds(vsp,hsp, 60, 20);

                    c.add(male);

                    female.setBounds(vsp + 70,hsp, 100, 20);

                    c.add(female);

                    male.setSelected(true);

                    grp=new ButtonGroup();

                    grp.add(male);

                    grp.add(female);

            }

            else if(i==6)

            {

                tp=new JPasswordField();

                tp.setBounds(vsp, hsp, 170, 20);

                c.add(tp);

            }

            else

            {

                t[i].setBounds(vsp,hsp , 170, 20);

                c.add(t[i]);

            }

            hsp=hsp + spy;

        }

        breg=new JButton("Submit");

        breg.setBounds(110, hsp+spy, 90, 30);

        c.add(breg);

       

        bcncl=new JButton("Cancel");

        bcncl.setBounds(220, hsp+spy, 90, 30);

        c.add(bcncl);

        cb.addItemListener(this);

        breg.addActionListener(this);

        bcncl.addActionListener(this);

    }

    public static void main(String[] args) {

        RegistrationForm rg=new RegistrationForm();

        rg.setTitle("Registration Form");

        rg.setSize(450, 500);

        rg.setResizable(false);

        rg.show();

    }

    @Override

    public void itemStateChanged(ItemEvent e) {

        try {

            if(cb.getSelectedItem().toString() == "Metal")

            {

                UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");

            }

            if(cb.getSelectedItem().toString() == "Motif")

            {

                UIManager.setLookAndFeel("com.sun.java.swing.plaf.motif.MotifLookAndFeel");

            }

            if(cb.getSelectedItem().toString() == "Window")

            {              UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");

            }

            SwingUtilities.updateComponentTreeUI(c);

        }

        catch(Exception ex)

        {

        }

    }

    @Override

    public void actionPerformed(ActionEvent e) {

        jop=new JOptionPane();

        String str="";

        if(e.getSource().equals(breg))

        {

                for(int i=0;i<=6;i++)

                {

                    if(i==2)

                    {

                        if(male.isSelected())

                        {

                            str= str + lbl[i] + " " + "Male" + "\n";

                        }

                        else

                        {

                            str= str + lbl[i] + " " + "FeMale" + "\n";

                        }

                    }

                    else if(i==6)

                    {

                        str= str + lbl[i] + " " + tp.getText().toString() + "\n";

                    }

                    else

                    {  

                        str= str + lbl[i] + " " + t[i].getText().toString() + "\n";

                      

                    } 

                } 

               jop.showMessageDialog(c,str,null, JOptionPane.INFORMATION_MESSAGE);

        }

        for(int i=0;i<=6;i++)

        {

            t[i].setText("");

        }

        tp.setText("");

        if(e.getSource().equals(bcncl))

        {

            for(int i=0;i<=6;i++)

            {

                t[i].setText("");

            }

            tp.setText("");

        }

    }

}

Output:-