I cannot solve the problem-please help-IMPORTANT

Question

I have got the following two classes. It shows the elements (double-numbers) of a matrix in a frame. The problem is, if the matrix consists of too much numbers , I am not able to see the whole numbers, but rather the first digit of each number.
I want to be able to scroll through the matrix and the numbers should be presented completely in the frame.
But how????;-(
public class MatrixFrame extends Frame {
public MatrixPanel matrixPanel;
public MatrixFrame(double[] [] values,int x, int y) {
matrixPanel = new MatrixPanel(values,x,y);
this.setSize(300,500);
this.setLocation(200,200);
add(matrixPanel);
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
dispose();
show();
}//MatrixFrame
public class MatrixPanel extends Panel {
MatrixPanel(double[] [] values,int l, int r) {
setLayout(new GridLayout(l,r));
for (int i=0;i<l;i++) {
for (int j=0;j<r;j++) {
add(new MatrixValue(values [j]));
//this.add(BorderLayout.CENTER);
setVisible(true);
class MatrixValue extends JComponent {
private double data;
MatrixValue(double d) {
data=d;
public void paint(Graphics g) {
Dimension d= getSize();
g.drawString(Double.toString(data),d.width/2,d.height/2);
Thanx for your help
Thomas

Answer 1

Instead of extending JComponent, your MatrixValue should extend JLabel. JLabel sizes properly, thus allowing you to place it within a ScrollPane. Otherwise you will have do something like this:
public MatrixValue extends JComponent {
public void paint(Graphics _g) {
Graphics2D g = (Graphics2D)_g;
Rectangle r = g.getFontMetrics().getStringBounds(Double.toString(data), g);
setPreferredSize(new Dimension(r.getWidth(), r.getHeight());
g.drawString(Double.toString(data),d.width/2,d.height/2);
}