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copied!<p>You seem to be missing one critical element...</p> <pre><code>/******************************************************************/ str.setComposite(AlphaComposite.Clear); str.fillRect(0, 0, width, height); /******************************************************************/ </code></pre> <p>You basically need to "clear" the graphics context...</p> <p><img src="https://i.stack.imgur.com/o7i3J.png" alt="enter image description here"><img src="https://i.stack.imgur.com/A3rPf.png" alt="enter image description here"></p> <pre><code>import java.awt.AlphaComposite; import java.awt.Color; import java.awt.EventQueue; import java.awt.Font; import java.awt.FontMetrics; import java.awt.Graphics2D; import java.awt.SplashScreen; import java.util.concurrent.ExecutionException; import java.util.logging.Level; import java.util.logging.Logger; import javax.swing.SwingWorker; import javax.swing.UIManager; import javax.swing.UnsupportedLookAndFeelException; import sun.font.FontManager; public class TestSplashScreen02 { public static void main(String[] args) { new TestSplashScreen02(); } public TestSplashScreen02() { EventQueue.invokeLater(new Runnable() { @Override public void run() { try { UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) { } SwingWorker worker = new SwingWorker() { @Override protected Object doInBackground() throws Exception { SplashScreen splash = SplashScreen.getSplashScreen(); int width = 400; int height = 300; Graphics2D str = splash.createGraphics(); /******************************************************************/ str.setComposite(AlphaComposite.Clear); str.fillRect(0, 0, width, height); /******************************************************************/ str.setPaintMode(); str.setColor(Color.WHITE); Font font = str.getFont().deriveFont(Font.BOLD, 24); FontMetrics fm = str.getFontMetrics(font); str.setFont(font); String text = "Loading Login Class ..."; int x = (width - fm.stringWidth(text)) / 2; int y = (height - fm.getHeight()) / 2; str.drawString(text, x, y + fm.getAscent()); splash.update(); try { Thread.sleep(5000); } catch (InterruptedException ex) { } str.setComposite(AlphaComposite.Clear); str.fillRect(0,0,400,300); str.setPaintMode(); text = "Loading Main Class ..."; x = (width - fm.stringWidth(text)) / 2; y = (height - fm.getHeight()) / 2; str.drawString(text, x, y + fm.getAscent()); System.out.println("Update..."); splash.update(); try { Thread.sleep(5000); } catch (InterruptedException ex) { } splash.close(); return null; } }; worker.execute(); try { worker.get(); } catch (InterruptedException | ExecutionException ex) { } } }); } } </code></pre>

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