import javax.swing.*;import java.awt.*;import java.awt.font.FontRenderContext;import java.awt.font.LineBreakMeasurer;import java.awt.font.TextLayout;import java.util.Hashtable;import java.text.AttributedCharacterIterator;import java.text.AttributedString;import java.awt.font.TextAttribute;import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent; /** * This class demonstrates how to line-break and draw a paragraph  * of text using LineBreakMeasurer and TextLayout. * * This class constructs a LineBreakMeasurer from an * AttributedCharacterIterator.  It uses the LineBreakMeasurer * to create and draw TextLayouts (lines of text) which fit within  * the Component's width. */public class LineBreakSample extends JApplet {    // The LineBreakMeasurer used to line-break the paragraph.    private LineBreakMeasurer lineMeasurer;    // The index in the LineBreakMeasurer of the first character    // in the paragraph.    private int paragraphStart;    // The index in the LineBreakMeasurer of the first character    // after the end of the paragraph.    private int paragraphEnd;    private static final Hashtable map = new Hashtable();    static {        map.put(TextAttribute.SIZE, new Float(18.0));    }      private static AttributedString vanGogh = new AttributedString(        "Many people believe that Vincent van Gogh painted his best works " +        "during the two-year period he spent in Provence. Here is where he " +        "painted The Starry Night--which some consider to be his greatest " +        "work of all. However, as his artistic brilliance reached new heights " +        "in Provence, his physical and mental health plummeted. ", map);                                    public void init() {	buildUI(getContentPane());    }    public void buildUI(Container container){        LineBreakPanel lineBreakPanel = new LineBreakPanel();	container.add(lineBreakPanel, BorderLayout.CENTER);    }                class LineBreakPanel extends JPanel {      public LineBreakPanel() {          AttributedCharacterIterator paragraph = vanGogh.getIterator();          paragraphStart = paragraph.getBeginIndex();          paragraphEnd = paragraph.getEndIndex();          // Create a new LineBreakMeasurer from the paragraph.          lineMeasurer = new LineBreakMeasurer(paragraph,                                 new FontRenderContext(null, false, false));      }      public void paintComponent(Graphics g) {	super.paintComponent(g);        setBackground(Color.white);        Graphics2D graphics2D = (Graphics2D) g;        // Set formatting width to width of Component.	Dimension size = getSize();        float formatWidth = (float) size.width;        float drawPosY = 0;        lineMeasurer.setPosition(paragraphStart);        // Get lines from lineMeasurer until the entire        // paragraph has been displayed.        while (lineMeasurer.getPosition() < paragraphEnd) {            // Retrieve next layout.            TextLayout layout = lineMeasurer.nextLayout(formatWidth);            // Move y-coordinate by the ascent of the layout.            drawPosY += layout.getAscent();            // Compute pen x position.  If the paragraph is             // right-to-left, we want to align the TextLayouts            // to the right edge of the panel.            float drawPosX;            if (layout.isLeftToRight()) {                drawPosX = 0;            }            else {                drawPosX = formatWidth - layout.getAdvance();            }            // Draw the TextLayout at (drawPosX, drawPosY).            layout.draw(graphics2D, drawPosX, drawPosY);            // Move y-coordinate in preparation for next layout.            drawPosY += layout.getDescent() + layout.getLeading();        }      }    }    public static void main(String[] args) {        JFrame f = new JFrame("HitTestSample");                    f.addWindowListener(new WindowAdapter(){                public void windowClosing(WindowEvent e) {                    System.exit(0);                }            });        LineBreakSample controller = new LineBreakSample();	controller.buildUI(f.getContentPane());                f.setSize(new Dimension(400, 250));        f.setVisible(true);    }}