BAEL-2122 Optional or else throw (#5047)

* Throw and throws in Java

* BAEL-2122 | throw exception in optional

* BAEL-2122 | optional orelsethrow

core-java/src/main/java/com/baeldung/throwsexception/PersonRepository.java

@@ -8,7 +8,7 @@ public class PersonRepository {
 
     @Nullable
     public String findNameById(String id) {
-        return id == null ? null : "example-name";
+        return id == null ? null : "Name";
     }
 
     public List<String> findAll() throws SQLException {