From e3c513cfdb7fc35714bc6e913f3614514e78956d Mon Sep 17 00:00:00 2001
From: opokharel <opokharel@gmail.com>
Date: Sat, 25 Jun 2022 11:57:23 -0600
Subject: [PATCH] BAEL-5421

---
 .../src/main/java/com/baeldung/jar/MySampleGUIAppn.java       | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core-java-modules/core-java-jar/src/main/java/com/baeldung/jar/MySampleGUIAppn.java b/core-java-modules/core-java-jar/src/main/java/com/baeldung/jar/MySampleGUIAppn.java
index cc0a161d0f..2be8cef717 100644
--- a/core-java-modules/core-java-jar/src/main/java/com/baeldung/jar/MySampleGUIAppn.java
+++ b/core-java-modules/core-java-jar/src/main/java/com/baeldung/jar/MySampleGUIAppn.java
@@ -12,7 +12,9 @@ public class MySampleGUIAppn extends JFrame{
         Button b = new Button("Click Me!");
         b.setBounds(30,100,80,30);
         add(b);
-        setVisible(true);
+        if (!GraphicsEnvironment.isHeadless()) {
+            setVisible(true);
+        }
         addWindowListener(new WindowAdapter() {
             public void windowClosing(WindowEvent e) {
                 dispose();