JScrollBar in Java Swing

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Scrollbars are components that enable a value to be selected by sliding a box between two arrows. Several components have built-in scrollbar functionality, including text areas and scrolling lists. The Scrollbar class is used for creating scrollbars. A scrollbar can be horizontal or vertical.

/* =========================================================== File Name : JScrollBarDemo.java WebSite : http://javaproglang.blogspot.in/ Facebook : https://www.facebook.com/AdvanceJavaProgramming Twitter ID : https://twitter.com/AdvanceJava Created By : Bintu Chaudhary =========================================================== */ import java.awt.*; import java.awt.event.*; import javax.swing.*; public class JScrollBarDemo extends JPanel { JLabel label; public JScrollBarDemo() { super(true); label=new JLabel(); setLayout(new BorderLayout()); JScrollBar hbar=new JScrollBar(JScrollBar.HORIZONTAL, 30, 20, 0, 300); JScrollBar vbar=new JScrollBar(JScrollBar.VERTICAL, 30, 40, 0, 300); hbar.setUnitIncrement(2); hbar.setBlockIncrement(1); hbar.addAdjustmentListener(new MyAdjustmentListener()); vbar.addAdjustmentListener(new MyAdjustmentListener()); add(hbar, BorderLayout.SOUTH); add(vbar, BorderLayout.EAST); add(label, BorderLayout.CENTER); } class MyAdjustmentListener implements AdjustmentListener { public void adjustmentValueChanged(AdjustmentEvent e) { label.setText(" New Value is " + e.getValue() + " "); repaint(); } } public static void main(String s[]) { JFrame frame = new JFrame("Scroll Bar Example"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setContentPane(new ScrollBarExample()); frame.setSize(250,250); frame.setVisible(true); } }

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

"Output of JScrollBarDemo.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