Merge pull request #15801 from eugenp/comment-15080

Update givenInputFromConsole_whenUsingScanner_thenReadCharByChar

core-java-modules/core-java-io-apis-2/src/test/java/com/baeldung/readinputcharbychar/ReadInputCharByCharUnitTest.java

@@ -51,9 +51,10 @@ public class ReadInputCharByCharUnitTest {
         System.setIn(inputStream);
 
         try (Scanner scanner = new Scanner(System.in)) {
-            char[] result = scanner.next().toCharArray();
-
-            assertArrayEquals("TestInput".toCharArray(), result);
+            if (scanner.hasNext()) {
+                char[] result = scanner.next().toCharArray();
+                assertArrayEquals("TestInput".toCharArray(), result);
+            }
         }
     }
 }