diff --git a/core-java/.gitignore b/core-java/.gitignore
index 6ecc6405c2..5adb0b8310 100644
--- a/core-java/.gitignore
+++ b/core-java/.gitignore
@@ -13,4 +13,4 @@
 *.ear
 
 # Files generated by integration tests
-*.txt
\ No newline at end of file
+#*.txt
\ No newline at end of file
diff --git a/core-java/src/main/resources/fileTest.txt b/core-java/src/main/resources/fileTest.txt
new file mode 100644
index 0000000000..ce4bea208b
--- /dev/null
+++ b/core-java/src/main/resources/fileTest.txt
@@ -0,0 +1 @@
+Hello World from fileTest.txt!!!
\ No newline at end of file
diff --git a/core-java/src/test/java/com/baeldung/java/networking/url/UrlTest.java b/core-java/src/test/java/com/baeldung/java/networking/url/UrlTest.java
index 14444f0145..053440d655 100644
--- a/core-java/src/test/java/com/baeldung/java/networking/url/UrlTest.java
+++ b/core-java/src/test/java/com/baeldung/java/networking/url/UrlTest.java
@@ -11,93 +11,93 @@ public class UrlTest {
 
     @Test
     public void givenUrl_whenCanIdentifyProtocol_thenCorrect() throws MalformedURLException {
-        URL url = new URL("http://baeldung.com");
+        final URL url = new URL("http://baeldung.com");
         assertEquals("http", url.getProtocol());
     }
 
     @Test
     public void givenUrl_whenCanGetHost_thenCorrect() throws MalformedURLException {
-        URL url = new URL("http://baeldung.com");
+        final URL url = new URL("http://baeldung.com");
         assertEquals("baeldung.com", url.getHost());
     }
 
     @Test
     public void givenUrl_whenCanGetFileName_thenCorrect2() throws MalformedURLException {
-        URL url = new URL("http://baeldung.com/articles?topic=java&version=8");
+        final URL url = new URL("http://baeldung.com/articles?topic=java&version=8");
         assertEquals("/articles?topic=java&version=8", url.getFile());
     }
 
     @Test
     public void givenUrl_whenCanGetFileName_thenCorrect1() throws MalformedURLException {
-        URL url = new URL("http://baeldung.com/guidelines.txt");
+        final URL url = new URL("http://baeldung.com/guidelines.txt");
         assertEquals("/guidelines.txt", url.getFile());
     }
 
     @Test
     public void givenUrl_whenCanGetPathParams_thenCorrect() throws MalformedURLException {
-        URL url = new URL("http://baeldung.com/articles?topic=java&version=8");
+        final URL url = new URL("http://baeldung.com/articles?topic=java&version=8");
         assertEquals("/articles", url.getPath());
     }
 
     @Test
     public void givenUrl_whenCanGetQueryParams_thenCorrect() throws MalformedURLException {
-        URL url = new URL("http://baeldung.com/articles?topic=java");
+        final URL url = new URL("http://baeldung.com/articles?topic=java");
         assertEquals("topic=java", url.getQuery());
     }
 
     @Test
     public void givenUrl_whenGetsDefaultPort_thenCorrect() throws MalformedURLException {
-        URL url = new URL("http://baeldung.com");
+        final URL url = new URL("http://baeldung.com");
         assertEquals(-1, url.getPort());
         assertEquals(80, url.getDefaultPort());
     }
 
     @Test
     public void givenUrl_whenGetsPort_thenCorrect() throws MalformedURLException {
-        URL url = new URL("http://baeldung.com:8090");
+        final URL url = new URL("http://baeldung.com:8090");
         assertEquals(8090, url.getPort());
         assertEquals(80, url.getDefaultPort());
     }
 
     @Test
     public void givenBaseUrl_whenCreatesRelativeUrl_thenCorrect() throws MalformedURLException {
-        URL baseUrl = new URL("http://baeldung.com");
-        URL relativeUrl = new URL(baseUrl, "a-guide-to-java-sockets");
+        final URL baseUrl = new URL("http://baeldung.com");
+        final URL relativeUrl = new URL(baseUrl, "a-guide-to-java-sockets");
         assertEquals("http://baeldung.com/a-guide-to-java-sockets", relativeUrl.toString());
     }
 
     @Test
     public void givenAbsoluteUrl_whenIgnoresBaseUrl_thenCorrect() throws MalformedURLException {
-        URL baseUrl = new URL("http://baeldung.com");
-        URL relativeUrl = new URL(baseUrl, "http://baeldung.com/a-guide-to-java-sockets");
+        final URL baseUrl = new URL("http://baeldung.com");
+        final URL relativeUrl = new URL(baseUrl, "http://baeldung.com/a-guide-to-java-sockets");
         assertEquals("http://baeldung.com/a-guide-to-java-sockets", relativeUrl.toString());
     }
 
     @Test
     public void givenUrlComponents_whenConstructsCompleteUrl_thenCorrect() throws MalformedURLException {
-        String protocol = "http";
-        String host = "baeldung.com";
-        String file = "/guidelines.txt";
-        URL url = new URL(protocol, host, file);
+        final String protocol = "http";
+        final String host = "baeldung.com";
+        final String file = "/guidelines.txt";
+        final URL url = new URL(protocol, host, file);
         assertEquals("http://baeldung.com/guidelines.txt", url.toString());
     }
 
     @Test
     public void givenUrlComponents_whenConstructsCompleteUrl_thenCorrect2() throws MalformedURLException {
-        String protocol = "http";
-        String host = "baeldung.com";
-        String file = "/articles?topic=java&version=8";
-        URL url = new URL(protocol, host, file);
-        assertEquals("http://baeldung.com/guidelines.txt", url.toString());
+        final String protocol = "http";
+        final String host = "baeldung.com";
+        final String file = "/articles?topic=java&version=8";
+        final URL url = new URL(protocol, host, file);
+        assertEquals("http://baeldung.com/articles?topic=java&version=8", url.toString());
     }
 
     @Test
     public void givenUrlComponentsWithPort_whenConstructsCompleteUrl_thenCorrect() throws MalformedURLException {
-        String protocol = "http";
-        String host = "baeldung.com";
-        int port = 9000;
-        String file = "/guidelines.txt";
-        URL url = new URL(protocol, host, port, file);
+        final String protocol = "http";
+        final String host = "baeldung.com";
+        final int port = 9000;
+        final String file = "/guidelines.txt";
+        final URL url = new URL(protocol, host, port, file);
         assertEquals("http://baeldung.com:9000/guidelines.txt", url.toString());
     }