From e9b03e877acf82cf7571d706105dec93d9c2fb3a Mon Sep 17 00:00:00 2001
From: SteffenLm <33038091+SteffenLm@users.noreply.github.com>
Date: Thu, 5 Jun 2025 15:07:54 +0200
Subject: [PATCH 1/2] Solution Optionals 02

---
 TelephoneBook.java | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/TelephoneBook.java b/TelephoneBook.java
index 077090e..50fe7d4 100644
--- a/TelephoneBook.java
+++ b/TelephoneBook.java
@@ -1,5 +1,6 @@
 import java.util.HashMap;
 import java.util.Map.Entry;
+import java.util.Optional;
 
 public class TelephoneBook {
 
@@ -9,16 +10,18 @@ public void addEntry(Person person, TelephoneNumber telephoneNumber) {
     entries.put(person, telephoneNumber);
   }
 
-  public TelephoneNumber getTelephoneNumberByName(String name) {
+  public Optional<TelephoneNumber> getTelephoneNumberByName(String name) {
     for (Entry<Person, TelephoneNumber> entry : entries.entrySet()) {
       if (entry.getKey().name().equals(name)) {
-        return entry.getValue();
+        return Optional.ofNullable(entry.getValue());
       }
     }
-    return null;
+    return Optional.empty();
   }
 
-  public record Person(String name) {}
+  public record Person(String name) {
+  }
 
-  public record TelephoneNumber(String value) {}
+  public record TelephoneNumber(String value) {
+  }
 }

From 1c285f65150102fd9a53eb47ec0debb935dba0b9 Mon Sep 17 00:00:00 2001
From: github-actions <>
Date: Thu, 5 Jun 2025 13:08:14 +0000
Subject: [PATCH 2/2] Google Java Format

---
 TelephoneBook.java | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/TelephoneBook.java b/TelephoneBook.java
index 50fe7d4..caec336 100644
--- a/TelephoneBook.java
+++ b/TelephoneBook.java
@@ -19,9 +19,7 @@ public Optional<TelephoneNumber> getTelephoneNumberByName(String name) {
     return Optional.empty();
   }
 
-  public record Person(String name) {
-  }
+  public record Person(String name) {}
 
-  public record TelephoneNumber(String value) {
-  }
+  public record TelephoneNumber(String value) {}
 }