import java.awt.event.AdjustmentListener;
import java.awt.event.AdjustmentEvent;

import javax.swing.JScrollBar;

public class ScrollBar extends JScrollBar implements AdjustmentListener { 
    // My private ID number, so I can tell my scrollbar's apart
    private int id; 

    public ScrollBar (int id) { 
	// Customize properties of our ScrollBar
	// Named static constant
	setOrientation (HORIZONTAL); 
	setMinimum (0); 
	setMaximum (100); 
	// Initial value
	setValue (25); 

	this.id = id; 
	addAdjustmentListener (this); 
    }

    public void adjustmentValueChanged (AdjustmentEvent event) { 
	    System.out.println ("Scrollbar " + id + ": new value = " + getValue()); 
    }
}