Java Example Event Programming

Swing Program

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

* <applet code="butt" width="400" height="500"> </applet> */ <textarea><br /><br />public class butt extends JApplet<br />{<br />public void init()<br />{<br />Container c = getContentPane();<br />ImageIcon ii = new ImageIcon("fish.gif");<br />JLabel j = new JLabel("Fish image",ii,JLabel.LEFT);<br />c.add(j);<br />}<br />} <br />import java.awt.*;<br />import java.awt.event.*;<br />import javax.swing.*;<br /><br /><textarea name="unique_name" rows="3" cols="30">* <applet code="butt1" width="400" height="500"> </applet> */ <textarea><br /><br />public class butt1 extends JApplet implements ActionListener<br />{<br />JTextField jtf = new JTextField(20);<br />public void init()<br />{<br />Container c = getContentPane();<br />c.setLayout(new GridLayout(4,4));<br />ImageIcon i1 = new ImageIcon("Genier.gif");<br />ImageIcon i2 = new ImageIcon("Genieg.gif");<br />ImageIcon i3 = new ImageIcon("Genies.gif"); <br />JButton jb1 = new JButton(i1);<br />JButton jb2 = new JButton(i2);<br />JButton jb3 = new JButton(i3);<br />jb1.setActionCommand("Fish");<br />jb2.setActionCommand("Genisis");<br />jb3.setActionCommand("Cherries");<br />jb1.addActionListener(this);<br />jb2.addActionListener(this);<br />jb3.addActionListener(this);<br />for(int i=0;i<6000;i++);<br />c.add(jb1);<br />for(int i=0;i<26000;i++);<br />c.add(jb2);<br />for(int i=0;i<26000;i++);<br />c.add(jb3);<br />c.add(jtf);<br />}<br />public void actionPerformed(ActionEvent ae)<br />{<br />jtf.setText(ae.getActionCommand());<br />}<br />} <br />import java.awt.*;<br />import java.awt.event.*;<br />import javax.swing.*;<br /><br /><textarea name="unique_name" rows="3" cols="30">* <applet code="gene" width="400" height="500"> </applet> */ <textarea><br /><br />public class gene extends JApplet implements ActionListener<br />{<br />JLabel l;<br />public void init()<br />{<br />Container c = getContentPane();<br />l = new JLabel("Image icon");<br />c.setLayout(new GridLayout(3,3));<br />ImageIcon i2 = new ImageIcon("Genieg.gif");<br />JButton jb2 = new JButton("swing button",i2);<br />jb2.setActionCommand("Genisis");<br />c.add(jb2);<br />jb2.addActionListener(this);<br />}<br />public void actionPerformed(ActionEvent a)<br />{<br />l.setText("Pressed");<br />}<br />} <br />import java.awt.*;<br />import java.awt.event.*;<br />import javax.swing.*;<br /><br /><textarea name="unique_name" rows="3" cols="30">* <applet code="geneier" width="400" height="500"> </applet> */ <textarea><br /><br />public class geneier extends JApplet implements ActionListener<br />{<br />JTextField jtf = new JTextField(20);<br />JButton jb1;<br />Container c = getContentPane();<br />public void init()<br />{<br />c.setLayout(new GridLayout(2,2));<br />ImageIcon i1 = new ImageIcon("Genier.gif");<br />ImageIcon i2 = new ImageIcon("Genieg.gif");<br />ImageIcon i3 = new ImageIcon("Genies.gif");<br />jb1 = new JButton(i1);<br />for(int i=0;i<26000;i++);<br />for(int i=0;i<26000;i++);<br />jb1.setIcon(i2);<br />for(int i=0;i<26000;i++);<br />for(int i=0;i<26000;i++);<br />c.add(jb1);<br />jb1.setActionCommand("Fish");<br />jb1.addActionListener(this);<br />c.add(jtf);<br />for(int i=0;i<26000;i++);<br />for(int i=0;i<26000;i++);<br />for(int i=0;i<26000;i++);<br />c.add(jb1);<br />}<br />/* public void paint(Graphics g)<br />{<br />c.add(jb1);<br />}<br />*/<br />public void actionPerformed(ActionEvent ae)<br />{<br />jtf.setText(ae.getActionCommand());<br />}<br />} <br />import javax.swing.*;<br />import java.awt.*;<br />public class jscroll extends JApplet<br />{<br />public void init( )<br />{<br />Container CP = getContentPane( );<br />JPanel jp = new JPanel( );<br />GridLayout g = new GridLayout(20,20);<br />jp.setLayout(g);<br />int b = 0,i,k;<br />for( i = 0; i<20; i++)<br />{<br />for(k=0;k<20;k++)<br />{<br />jp.add(new JButton("Button " + b));<br />b++;<br />}<br />} <br />int v = ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED;<br />int h=ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED;<br />JScrollPane jsp = new JScrollPane(jp, v, h) ;<br />CP.add(jsp, BorderLayout.CENTER);<br />}<br />} <br />import java.awt.*;<br />import javax.swing.*;<br />import java.awt.event.*;<br />public class radio extends JApplet<br />{<br />public void init()<br />{<br />Container c = getContentPane();<br />c.setLayout(new FlowLayout());<br />ImageIcon i1 = new ImageIcon("cup1.gif");<br />ImageIcon i2 = new ImageIcon("cup2.gif");<br />ImageIcon i3 = new ImageIcon("cup3.gif");<br />JRadioButton jb1 = new JRadioButton("Face ",i1);<br />JRadioButton jb2 = new JRadioButton("Sun ",i2);<br />JRadioButton jb3 = new JRadioButton("Song ",i3);<br />ButtonGroup bg = new ButtonGroup();<br />bg.add(jb1);<br />bg.add(jb2);<br />bg.add(jb3);<br />c.add(jb1);<br />c.add(jb2);<br />c.add(jb3);<br />}<br />} <br />import javax.swing.*;<br />import java.awt.*;<br />public class swing1 extends JApplet<br />{<br />public void init()<br />{<br />Container cp=getContentPane();<br />JLabel l1=new JLabel("Enter name");<br />JTextField jt=new JTextField(20);<br />JLabel l2=new JLabel("Enter age");<br />JTextField jt1=new JTextField(20);<br />cp.add(l1);cp.add(jt);<br />cp.add(l2);cp.add(jt1); }<br />}<br /><br />import javax.swing.*;<br />import java.awt.*;<br /><textarea name="unique_name" rows="3" cols="30">* <applet code="geneier" width="400" height="500"> </applet> */