JTabbedPane in Java Swing

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JTabbedPane in Swing enables you to group several swing component groups on the same container. To view a particular component group, you need to select the tab corresponding to the component group in the tabbed pane. To create a tabbed pane, create an instance of JTabbedPane class and add various tabs to it using the addTab() method of JTabbedPane class. The syntax to create a JTabbedPane is:

JTabbedPane <jtabbedpane_name>=new JTabbedPane(0);

To add a tab to a tabbed pane:

<jtabbedpane_name.addTab(String,<JPanel_to_add>);

The various constructors that swing provides to create a JTabbedPane are:

1. JTabbedPane(): Creates an empty JTabbedPane with default placement of JTabbedPane.Top. The placement specifies the division of JTabbbedPane.


2. JTabbedPane(int placement): Creates a JTabbedPane with specified placement that is passed as an argument to the constructor. The various placements for a JTabbedPane are JTabbedPane.TOP, JTabbedPane.BOTTOM, JTabbedPane..LEFT and JTabbedPane..RIGHT.


3. JTabbedPane(int placement, int tabLayoutPolicy): Creates a JTabbedPane with the placement and tabLayoutPolicy passed as an argument to the constructor.

A JTabbedPane component provides quick access to the mulitiple JPanels using the same space and Window. Consider the following example, which shows the use of JTabbedPane to group information about an end-user.

/* =========================================================== File Name : JTabbedPaneDemo.java WebSite : http://javaproglang.blogspot.in/ Facebook : https://www.facebook.com/AdvanceJavaProgramming Twitter ID : https://twitter.com/AdvanceJava Created By : Bintu Chaudhary =========================================================== */ import javax.swing.*; import java.awt.*; import java.awt.event.*; public class JTabbedPaneDemo extends JFrame { JTabbedPane t1=new JTabbedPane(); JPanel p1,p2,p3; Container c; Container c1; JLabel l1,l2,l3; JTextField text1,text2,text3; JRadioButton r21,r22,r23; JCheckBox ch1,ch2,ch3; public JTabbedPaneDemo() { p1=new JPanel(); p2=new JPanel(); p3=new JPanel(); c1=getContentPane(); p1.setLayout(new GridLayout(3,2)); l1=new JLabel("Name"); l2=new JLabel("Date of Birth (dd.mm.yyyy)"); l3=new JLabel("Identification Number"); text1=new JTextField(10); text2=new JTextField(10); text3=new JTextField(10); p1.add(l1); p1.add(text1); p1.add(l2); p1.add(text2); p1.add(l3); p1.add(text3); c1.add(p1); r21=new JRadioButton("Graduate"); r22=new JRadioButton("Post Graduate"); r23=new JRadioButton("Ph.D"); p2.add(r21); p2.add(r22); p2.add(r23); ch1=new JCheckBox("Computers"); ch2=new JCheckBox("Electronics"); ch3=new JCheckBox("Marketing"); p3.add(ch1); p3.add(ch2); p3.add(ch3); c=getContentPane(); c.setLayout(new GridLayout(2,2)); t1.addTab("Personal Information",p1); t1.addTab("Educational Qualification",p2); t1.addTab("Areas of Interest",p3); c.add(t1); } public static void main(String args[]) { JTabbedPaneDemo tdemo=new JTabbedPaneDemo(); tdemo.setSize(300,350); tdemo.setVisible(true); } }

The above listing uses JTabbedPane to group together the Personal Information, Education Qualification and Areas of Interest of an individual.

C:\>jdk1.4\bin>javac JTabbedPaneDemo.java
C:\>jdk1.4\bin>java JTabbedPaneDemo

"Output of JTabbedPaneDemo.class"

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Java Swing-II

JOptionPane Class	Input Dialog Boxes	JSliders
JProgressBars	JTables	JTabbedPane
JMenu	JPopupMenu	JToolBar
JFileChooser	JScrollBar	JScrollPane
JRootPane	JTextPane	JTree
JSplitPane	JDesktopPane	JEditorPane