Initial data commit

Task/Hello-world-Graphical/Java/hello-world-graphical-2.java

@@ -0,0 +1,21 @@
+import javax.swing.*;
+import java.awt.*;
+
+public class HelloWorld {
+    public static void main(String[] args) {
+
+        SwingUtilities.invokeLater(() -> {
+            JOptionPane.showMessageDialog(null, "Goodbye, world!");
+            JFrame frame = new JFrame("Goodbye, world!");
+            JTextArea text = new JTextArea("Goodbye, world!");
+            JButton button = new JButton("Goodbye, world!");
+
+            frame.setLayout(new FlowLayout());
+            frame.add(button);
+            frame.add(text);
+            frame.pack();
+            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+            frame.setVisible(true);
+        });
+    }
+}