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Java - Swings
AWT - Active Window Toolkit [Javax -> Swings Package]
- Swings is a special feature. It provides a set of powerful classes to design GUI. The classes available in swing will not depend on the operating system.
- Methods in swings classes are written purely in JAVA. The methods in swings classes can be used to create strings with a same look at field of the screens in different packages.
Subclasses of JComponent
- JComponent [Abstract Button]
- JButton
- JMenu Item
- JCheck Box Menu Item
- JMenu
- JRadio Button Menu Item
- JToggle Button
- JCombo Box
- JInternel Frame
- JLabel
- Default Table Cell Renderer
- JLayered Pane
- JList
- JMenubar
- JOption Pane
- JPanel
- JPopup Menu
- JProgress Bar
- JRoot Pane
- JScroll Pane
- JSeperator
- JSlider
- JSplit Pane
- JTabbed Pane
- JTable
- JTable Header
- JText Component
- JEditor Pane
- JText Area
- JText Field
- JTool Bar
- JTool Tip
- JTree
- JView Report
Containers - It is used to hold all the components
For Eg:
Container con = get ContentPane();
con.add(comp);
JButton:
JButton obj = new JButton(String);
JButton obj = new JButton();
ImageIcon i = new ImageIcon("imagefill");
JButton obj = new JButton(i);
JButton obj = new JButton(str, i);
How to set boundary to the JButtons:
obj.setBounds(10,10,100,30);
How to add:
con.add(obj);
To display the value in the textbox:
setText(String);
To retrive the value from the text box:
String s1 = t1.getText();
int n = Integer.parseInt(t1.getText());
Prepared Statement:
The application programs prepares a SQL statement using the java.sql.connection.prepare statement. It can handle n type of parameters.
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