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Ich verstehe dein Problem nicht.???:L

Läuft bei mir.

Hab lediglich die Animation schneller gemacht und eingebaut, das der Balken nicht endlos wächst.

[code=Java]import java.awt.Color;

import java.awt.Component;

import java.awt.Container;

import java.awt.Dimension;

import java.awt.GradientPaint;

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.Insets;

import java.util.Timer;

import java.util.TimerTask;

import javax.swing.JFrame;

import javax.swing.JPanel;

public class Balkengraphics extends JPanel {

    private static final long serialVersionUID = 5L;

    private Timer timer;

    private int balkenvar;

    public static void main(String[] args) {

        JFrame frame = new JFrame();

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        Balkengraphics balkengraphics = new Balkengraphics();

        frame.add(balkengraphics);

        frame.pack();

        frame.setVisible(true);

        balkengraphics.init(frame);

    }

    private void init(JFrame frame) {

        Balkengraphics balken2 = new Balkengraphics();

        GridBagLayout gbl = new GridBagLayout();

        gbl.columnWidths = new int[] { 30, 120, 30, 60, 107, 41, 17, 5, 5, 3, 30, 30, 30, 30, 30, 30, 0 };

        gbl.rowHeights = new int[] { 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 32, 0, 32, 30,

                30 };

        gbl.columnWeights = new double[] { 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,

                0.0, Double.MIN_VALUE };

        gbl.rowWeights = new double[] { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,

                0.0, 0.0, 0.0, 0.0, 0.0, Double.MIN_VALUE };

        setLayout(gbl);

        addComponent(this, gbl, balken2, 2, 13, 10, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.CENTER);

        TimerTask task = new TimerTask() {

            public void run() {

                balkenvar += 10;

                if (balkenvar >= 400) {

                    timer.cancel();

                }

                frame.repaint();

            }

        };

        timer.scheduleAtFixedRate(task, 0, 100);

    }

    Balkengraphics() {

        timer = new Timer();

        setPreferredSize(new Dimension(700, 200));

    }

    public void paintComponent(Graphics g) {

        Graphics2D g2d = (Graphics2D) g;

        Color startgreen = Color.GREEN;

        Color endred = Color.RED;

        GradientPaint startend = new GradientPaint(0, 50, startgreen, 400, 50, endred);

        g2d.setPaint(startend);

        if (balkenvar <= 400) {

            g2d.fillRect(100, 50, balkenvar, 25);

        }

        g2d.fillRect(100, 80, 400, 25);

    }

    static void addComponent(Container cont, GridBagLayout gbl, Component c, int x, int y, int width, int height,

            double weightx, double weighty, int fill, int anchor) {

        GridBagConstraints gbc = new GridBagConstraints();

        gbc.gridx = x;

        gbc.gridy = y;

        gbc.gridwidth = width;

        gbc.gridheight = height;

        gbc.weightx = weightx;

        gbc.weighty = weighty;

        gbc.fill = fill;

        gbc.anchor = anchor;

        gbc.insets = new Insets(0, 0, 5, 5);

        gbl.setConstraints(c, gbc);

        cont.add(c);

    }

}[/code]