📄 sw1.java.bak
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/*
SWINGS
Look & Feel
Java controls looks like MS-Controls
Java's Front-end Tool
javax.swing.* package
Applet/Frames Swings
Frame JFrame
Applet JApplet
TextField JTextField
Button JButton
Choice JComboBox
Checkbox JRadioButton
ButtonGroup
.
.
.
JButton
class
For clicking purpose
cons:
JButton()
JButton(String Label)
JButton(String Label,ImageIcon)
ImageIcon
Class
Used to load the images to the required component
cons:
ImageIcon(String path)
JFrame
Class
Its a container Its a Window
Cons:
JFrame()
JFrame(String Title)
Methods:
setTitle(String Title)
getTitle() String
setLayout(Layout)
setMenuBar(Menubarobjname)
setSize(int width,int height)
setVisible(boolean)
java.awt.* package
java.awt.Container Class
Base class to all Gui Tools
Abstract Class
Method:
getContentPane() ret Container
// Container con = new Container(); // abs cls can't be created
Container con = getContentPane();
*/
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
class sw1 extends JFrame implements ActionListener
{
JButton b1 = new JButton("Ok");
JButton b2 = new JButton("Cancel");
JPanel p1 = new JPanel(new FlowLayout(FlowLayout.CENTER));
public sw1()
{
Container con = getContentPane();
con.add(b1);
con.add(b2);
p1.add(b1);
p1.add(b2);
con.add(p1);
b1.addActionListener(this);
b2.addActionListener(this);
setTitle("Demo");
setSize(300,300);
setVisible(true);
}
public void actionPerformed(ActionEvent e)
{
if(e.getSource() == b1)
{
System.out.println("Button b1 is pressed");
}
else
{
System.out.println("Button b2 is pressed");
}
}
public static void main(String args[])
{
new sw1();
}
}
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