13. Asar

LinkedList.java

@@ -0,0 +1,54 @@
+
+public class LinkedList
+{
+  private Node start;
+  public LinkedList(){
+      
+  }
+  
+  public void einfuegen(int zahl){
+      Node neu = new Node();
+         neu.wert = zahl;
+         if (this.start == null) {
+      this.start = neu;
+             Node current = this.start;
+     
+      
+      while (current.next != null) {
+          current = current.next;
+      }
+      current.next = neu;
+    }
+  }
+  
+  public int laenge(){
+      int count = 0;
+      
+      Node current = this.start;
+      while(current != null) {
+          current = current.next;
+          count++;
+      }
+      return count;
+  }
+  public String toString(){
+      String result = " ";
+      Node current = this.start;
+      while( current != null) {
+          result += current.wert + ",";
+          current = current.next;
+      }
+      return result;
+  }
+  
+  public int erste(){
+      int tmp = this.start.wert;
+      this.start = this.start.next;
+      return tmp;
+  }
+  
+  public int getNteZahl(int n){
+      return 0;
+  }
+  
+}

Node.java

@@ -0,0 +1,13 @@
+
+public class Node
+{
+  public int wert;
+  public Node next;
+  
+  public void setWert(int w){
+      this.wert = w;
+  }
+  public void setNext(Node n){
+      this.next = n;
+  }
+}

Test2.java

@@ -0,0 +1,22 @@
+
+public class Test2
+{
+  public static  Node test() {
+      Node n1 = new Node();
+      n1.setWert(3);
+      
+      Node n2 = new Node();
+      n2.setWert(7);
+      n1.setNext(n2);
+      
+      Node n3 = new Node();
+      n3.setWert(11);
+      n2.setNext(n3);
+      
+      Node n4 = new Node();
+      n4.setWert(12);n3.setNext(n4);
+      
+      return n1;
+  }
+    }
+

Test3.java

@@ -0,0 +1,19 @@
+
+public class Test3
+{
+    public static void test(){
+        LinkedList l = new LinkedList();
+        
+        l.einfuegen(4);
+        l.einfuegen(8);
+        l.einfuegen(3);
+        l.einfuegen(17);
+        
+        System.out.println(l);
+        System.out.println(l.erste() );
+        
+        
+        System.out.println(1);
+        
+    }
+}