diff --git a/core-java-modules/core-java-io-5/src/test/java/com/baeldung/com.baeldung.openhtmlfiles/OpenHtmlFilesUnitTest.java b/core-java-modules/core-java-io-5/src/test/java/com/baeldung/com.baeldung.openhtmlfiles/OpenHtmlFilesUnitTest.java
new file mode 100644
index 0000000000..efa58f565b
--- /dev/null
+++ b/core-java-modules/core-java-io-5/src/test/java/com/baeldung/com.baeldung.openhtmlfiles/OpenHtmlFilesUnitTest.java
@@ -0,0 +1,45 @@
+package com.baeldung.openhtmlfiles;
+
+import org.junit.Test;
+
+import java.awt.*;
+import java.io.File;
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.net.URL;
+
+import static org.junit.Assert.*;
+
+public class OpenHtmlFilesUnitTest {
+ public URL url;
+ public String absolutePath;
+
+ public OpenHtmlFilesUnitTest() throws URISyntaxException {
+ url = getClass().getResource("/test.html");
+ assert url != null;
+ File file = new File(url.toURI());
+ if (!file.exists()) {
+ fail();
+ }
+ absolutePath = file.getAbsolutePath();
+ }
+ /*
+ @Test
+ public void givenHtmlFile_whenUsingDesktopClass_thenOpenFileInDefaultBrowser() throws IOException {
+ File htmlFile = new File(absolutePath);
+ Desktop.getDesktop().browse(htmlFile.toURI());
+ assertTrue(true);
+ }
+ */
+ @Test
+ public void givenHtmlFile_whenUsingProcessBuilder_thenOpenFileInDefaultBrowser() throws IOException {
+ ProcessBuilder pb;
+ if (System.getProperty("os.name").toLowerCase().contains("win")) {
+ pb = new ProcessBuilder("cmd.exe", "/c", "start", absolutePath);
+ } else {
+ pb = new ProcessBuilder("xdg-open", absolutePath);
+ }
+ pb.start();
+ assertTrue(true);
+ }
+}
diff --git a/core-java-modules/core-java-io-5/src/test/resources/test.html b/core-java-modules/core-java-io-5/src/test/resources/test.html
new file mode 100644
index 0000000000..5cb2c410eb
--- /dev/null
+++ b/core-java-modules/core-java-io-5/src/test/resources/test.html
@@ -0,0 +1,15 @@
+
+
+
+
+
+
+
+
+
+
+
+
+ Hello dear friend
+
+
\ No newline at end of file