From bc681fb62cec77942c042a5a789133dd26446408 Mon Sep 17 00:00:00 2001
From: David Wurm <david@techniknews.net>
Date: Tue, 26 Nov 2019 08:28:07 +0100
Subject: [PATCH] implemented tests and did some fixes

---
 src/ChainQueue.java      | 6 +++++-
 src/HUE_06_Generics.java | 9 +++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/ChainQueue.java b/src/ChainQueue.java
index 838c04c..46bbc24 100644
--- a/src/ChainQueue.java
+++ b/src/ChainQueue.java
@@ -4,6 +4,7 @@
  * Klasse: 3AHIF
  * Programm: HUE_06_GenericsQueue
  ************************************************/
+import java.lang.reflect.Type;
 import java.util.Collection;
 import java.util.Iterator;
 import java.util.Queue;
@@ -31,7 +32,6 @@ public class ChainQueue<E> implements Queue<E> {
 
         public Node(E data) {
             this.data = data;
-
         }
     }
 
@@ -173,4 +173,8 @@ public class ChainQueue<E> implements Queue<E> {
     public E remove() {
         return null;
     }
+
+    public Queue<Type> merge (Queue q1, Queue q2) {
+        return null;
+    }
 }
\ No newline at end of file
diff --git a/src/HUE_06_Generics.java b/src/HUE_06_Generics.java
index dea3e18..3a5f064 100644
--- a/src/HUE_06_Generics.java
+++ b/src/HUE_06_Generics.java
@@ -8,6 +8,10 @@ import java.util.Queue;
 public class HUE_06_Generics {
     public static void main(String[] args) {
         Queue<String> strs = new ChainQueue<String>();
+        // implement null-tests
+        System.out.println(strs.poll()); // should be null
+        System.out.println(strs.size()); // should be 0
+
         strs.add("hallo1");
         strs.add("hallo2");
         strs.add("hallo3");
@@ -19,5 +23,10 @@ public class HUE_06_Generics {
         System.out.println(" - " + strs.poll() + " #" + strs.size());
         System.out.println(" - " + strs.poll() + " #" + strs.size());
         System.out.println(" - " + strs.poll() + " #" + strs.size());
+
+        Queue<Integer> strs2 = new ChainQueue<>();
+        strs2.add(1);
+        strs2.add(2);
+        strs2.add(3);
     }
 }