fix compile errors

Author: vga91

neo4j-example/pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>dev.langchain4j</groupId>
     <artifactId>neo4j-example</artifactId>
-    <version>1.0.0-beta7</version>
+    <version>1.1.0-beta7</version>
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>

neo4j-example/src/main/java/Neo4jRagAsAToolExample.java

@@ -105,7 +105,7 @@ public static void main(String[] args) {
 
             // Ask a question answered by retrieval QA chain
             String chat = assistant.chat("""
-                    Ingest from document 'myname.txt', and then return the answer for the question 'What is the cancellation policy?'""");
+                    Ingest from document 'miles-of-smiles-terms-of-use.txt', and then return the answer for the question 'What is the cancellation policy?'""");
             System.out.println("ANSWER: " + chat);
             // example output:
             // `ANSWER: John Doe is a Super Saiyan`