add, set, get, size, clear, toString

list/src/main/java/de/vivi/list/ArrayByteList.java

@@ -5,24 +5,26 @@ import java.util.*;
 public class ArrayByteList implements ByteList {
 
     private int size = 0;
-    byte[] array;
+    private byte[] array;
+
+    public ArrayByteList() {
+        array = new byte[0];
+    }
 
     @Override
     public void add(byte value) {
+        add(size(), value);
         ++size;
         if (size == 1) {
             byte[] oldArray = new byte[size];
             oldArray[size - 1] = value;
             array = oldArray;
-            //System.out.println(Arrays.toString(arrayOld));
         } else {
             byte[] newArray = new byte[size];
             System.arraycopy(array, 0, newArray, 0, size - 1);
             newArray[size - 1] = value;
             array = newArray;
-            //System.out.println(Arrays.toString(arrayNew));
         }
-        //System.out.println(Arrays.toString(array));
     }
 
     @Override

list/src/main/java/de/vivi/list/ArrayByteListIterator.java

@@ -6,7 +6,6 @@ import java.util.function.Consumer;
 public class ArrayByteListIterator implements Iterator<Byte> {
 
     private ArrayByteList array;
-//    private Byte nextByte;
     private int currentIndex = 0;
 
     public ArrayByteListIterator(ArrayByteList array) {
@@ -20,11 +19,6 @@ public class ArrayByteListIterator implements Iterator<Byte> {
 
     @Override
     public Byte next() {
-//        if (hasNext()) {
-//            //nextByte = array.get(currentIndex++);
-//        } else {
-//            nextByte = null;
-//        }
         return array.get(currentIndex++);
     }
 

list/src/main/java/de/vivi/list/ByteList.java

@@ -1,7 +1,5 @@
 package de.vivi.list;
 
-import java.util.Iterator;
-
 public interface ByteList extends Iterable<Byte> {
 
     void add(byte value);

list/src/main/java/de/vivi/list/LinkedByteList.java

@@ -1,52 +1,67 @@
 package de.vivi.list;
 
-import java.util.Iterator;
+import java.util.*;
 
 public class LinkedByteList implements ByteList {
 
-    public NodeLinked head;
+    private NodeLinked head;
-    public NodeLinked tail;
+    private NodeLinked currNode;
+    private int size;
 
     public LinkedByteList() {
-        this.head = null;
+        head = null;
-        this.tail = null;
     }
 
     @Override
     public void add(byte value) {
-        NodeLinked new_Node = new NodeLinked(value);
+        NodeLinked newNode = new NodeLinked(value); // erzeuge neues Node
         if (head == null) {
-            head = new_Node;
+            head = newNode;
-            tail = new_Node;
         } else {
-            tail.next = new_Node;
+            NodeLinked last = head;
-            tail = new_Node;
+            while (last.next != null) {
+                last = last.next;
             }
+            last.next = newNode;
+        }
+        size++;
     }
 
     @Override
     public void add(int index, byte value) {
+        if (index == size) {
 
         }
+    }
+
 
     @Override
     public void remove(int index) {
-
+       size--;
     }
 
     @Override
     public void set(int index, byte value) {
+        NodeLinked x = node(index);
+        x.value = value;
+    }
 
+    NodeLinked node(int index) {
+        NodeLinked x = head;
+        for (int i = 0; i < index; i++) {
+            x = x.next;
+        }
+        return x;
     }
 
     @Override
     public byte get(int index) {
-        return 0;
+        return node(index).value;
     }
 
     @Override
     public int size() {
-        return 0;
+        return size;
     }
 
     @Override
@@ -61,7 +76,13 @@ public class LinkedByteList implements ByteList {
 
     @Override
     public void clear() {
-
+        for (NodeLinked x = head; x != null;) {
+            NodeLinked next = x.next;
+            x.next = null;
+            x = next;
+        }
+        head = null;
+        size = 0;
     }
 
     @Override
@@ -69,5 +90,23 @@ public class LinkedByteList implements ByteList {
         return null;
     }
 
+    public Byte[] toArray() {
+        Byte[] result = new Byte[size];
+        int i = 0;
+        for (NodeLinked x = head; x != null; x = x.next) {
+            result[i++] = x.value;
+        }
+        return result;
+    }
 
+    @Override
+    public String toString() {
+        System.out.print("LinkedList: ");
+        currNode = head;
+        while (currNode != null) {
+            System.out.print(currNode.value + " ");
+            currNode = currNode.next;
+        }
+        return String.valueOf(currNode).replace("null", "");
+    }
 }

list/src/main/java/de/vivi/list/LinkedByteListIterator.java

@@ -0,0 +1,6 @@
+package de.vivi.list;
+
+public class LinkedByteListIterator {
+    public LinkedByteListIterator(LinkedByteList bytes) {
+    }
+}

list/src/main/java/de/vivi/list/Main.java

@@ -28,11 +28,12 @@ public class Main {
         list.add((byte) 5);
         list.add((byte) -86);
         list.add((byte) 3);
- //       list.add((byte) 5);
+        list.add((byte) 5);
- //       list.add((byte) -100);
+        list.add((byte) -100);
 
-//        System.out.println(list);
+        System.out.println(list);
 
+//        list.add(0, (byte) 99);
 //        list.add(3, (byte) 99);
 ////        System.out.println(list);
 //        list.add(2, (byte) -40);
@@ -44,7 +45,7 @@ public class Main {
 //        System.out.println(list);
 
 //        list.set(1, (byte) 43);
-        System.out.println(list);
+//        System.out.println(list);
 //        list.set(0, (byte) 8);
 ////        System.out.println(list);
 //

list/src/main/java/de/vivi/list/NodeLinked.java

@@ -2,13 +2,11 @@ package de.vivi.list;
 
 public class NodeLinked {
 
-    byte data;
+    byte value;
     NodeLinked next;
-    NodeLinked prev;
 
-    public NodeLinked(byte data) {
+    public NodeLinked(byte value) {
-        this.data = data;
+        this.value = value;
         this.next = null;
-        this.prev = null;
     }
 }