How to increase scrolling speed of jScrollPane in Java.

In java Netbeans, if you add a scrollPane the scrolling speed is very slow. Sometimes it causes a bad review of the application. it can be solved.........

click on the navigator then write click on the jScrollPane and go to the properties. click on event on the top manure. then go to the mouseWheel Moved, then select your scrollpane name from drop down list. Then close and go to the code.

write the following code: 

                     private void jScrollPane1MouseWheelMoved(java.awt.event.MouseWheelEvent evt) {                                             

jScrollPane1.getVerticalScrollBar().setUnitIncrement(16);           // TODO add your handling code here:

    }