From 2c88f9596a96d8fbbed668ba3d8f43bde5808588 Mon Sep 17 00:00:00 2001
From: Paul H <p.hayder@icloud.com>
Date: Tue, 25 Mar 2025 20:49:46 +0100
Subject: [PATCH] Implemented iterator

---
 .../java/de/vivi/list/list/ArrayByteList.java |  6 +++++
 .../main/java/de/vivi/list/list/ByteList.java |  2 +-
 .../de/vivi/list/list/ByteListIterator.java   | 25 +++++++++++++++++++
 .../de/vivi/list/list/LinkedByteList.java     |  7 ++++++
 4 files changed, 39 insertions(+), 1 deletion(-)
 create mode 100644 list/src/main/java/de/vivi/list/list/ByteListIterator.java

diff --git a/list/src/main/java/de/vivi/list/list/ArrayByteList.java b/list/src/main/java/de/vivi/list/list/ArrayByteList.java
index 35b5d08..7e4b371 100644
--- a/list/src/main/java/de/vivi/list/list/ArrayByteList.java
+++ b/list/src/main/java/de/vivi/list/list/ArrayByteList.java
@@ -1,6 +1,7 @@
 package de.vivi.list.list;
 
 import java.util.Arrays;
+import java.util.Iterator;
 
 public class ArrayByteList implements ByteList {
 
@@ -51,6 +52,11 @@ public class ArrayByteList implements ByteList {
         return values.length;
     }
 
+    @Override
+    public Iterator<Byte> iterator() {
+        return new ByteListIterator(this);
+    }
+
     @Override
     public String toString() {
         return Arrays.toString(values);
diff --git a/list/src/main/java/de/vivi/list/list/ByteList.java b/list/src/main/java/de/vivi/list/list/ByteList.java
index 5d22b3c..57eba75 100644
--- a/list/src/main/java/de/vivi/list/list/ByteList.java
+++ b/list/src/main/java/de/vivi/list/list/ByteList.java
@@ -1,6 +1,6 @@
 package de.vivi.list.list;
 
-public interface ByteList {
+public interface ByteList extends Iterable<Byte> {
 
     void add(byte value);
 
diff --git a/list/src/main/java/de/vivi/list/list/ByteListIterator.java b/list/src/main/java/de/vivi/list/list/ByteListIterator.java
new file mode 100644
index 0000000..bf35cdc
--- /dev/null
+++ b/list/src/main/java/de/vivi/list/list/ByteListIterator.java
@@ -0,0 +1,25 @@
+package de.vivi.list.list;
+
+import java.util.Iterator;
+
+public class ByteListIterator implements Iterator<Byte> {
+
+    private int index;
+
+    private final ByteList list;
+
+    public ByteListIterator(ByteList list) {
+        this.index = 0;
+        this.list = list;
+    }
+
+    @Override
+    public boolean hasNext() {
+        return index < list.size();
+    }
+
+    @Override
+    public Byte next() {
+        return list.get(index++);
+    }
+}
diff --git a/list/src/main/java/de/vivi/list/list/LinkedByteList.java b/list/src/main/java/de/vivi/list/list/LinkedByteList.java
index 383a1d6..733fe01 100644
--- a/list/src/main/java/de/vivi/list/list/LinkedByteList.java
+++ b/list/src/main/java/de/vivi/list/list/LinkedByteList.java
@@ -1,5 +1,7 @@
 package de.vivi.list.list;
 
+import java.util.Iterator;
+
 public class LinkedByteList implements ByteList {
 
     private static class Entry {
@@ -117,6 +119,11 @@ public class LinkedByteList implements ByteList {
         return size;
     }
 
+    @Override
+    public Iterator<Byte> iterator() {
+        return new ByteListIterator(this);
+    }
+
     @Override
     public String toString() {
         StringBuilder result = new StringBuilder("[");