update docu

Author: Mark

docs/aql.md

@@ -23,17 +23,19 @@ E.g. get all Simpsons aged 3 or older in ascending order:
 
   ArangoCursor<MyObject> cursor = db.query(query, bindVars, null, MyObject.class);
 
-  cursor.forEachRemaining(obj -> {
+  for(; cursor.hasNext;) {
+    MyObject obj = cursor.next();
     System.out.println(obj.getName());
-  });
+  }
 ```
 
 or return the AQL result as VelocyPack:
 
 ``` Java
   ArangoCursor<VPackSlice> cursor = db.query(query, bindVars, null, VPackSlice.class);
 
-  cursor.forEachRemaining(obj -> {
+  for(; cursor.hasNext;) {
+    VPackSlice obj = cursor.next();
     System.out.println(obj.get("name").getAsString());
-  });
+  }
 ```

docs/basic_operations.md

@@ -98,28 +98,28 @@ E.g. in the previous example the object was stored as follows:
 
 ## read document by key (as JavaBean)
 ``` Java
-  MyObject document = arangoDB.db("myDatabase").collection("myCollection").getDocument(myObject.getKey, MyObject.class).get();
+  MyObject document = arangoDB.db("myDatabase").collection("myCollection").getDocument(myObject.getKey, MyObject.class);
   document.getName();
   document.getAge();
 
 ```
 
 ## read document (as VelocyPack)
 ``` Java
-  VPackSlice document = arangoDB.db("myDatabase").collection("myCollection").getDocument(myObject.getKey, VPackSlice.class).get();
+  VPackSlice document = arangoDB.db("myDatabase").collection("myCollection").getDocument(myObject.getKey, VPackSlice.class);
   document.get("name").getAsString();
   document.get("age").getAsInt();
 
 ```
 
 ## read document (as Json)
 ``` Java
-  arangoDB.db("myDatabase").collection("myCollection").getDocument(myObject.getKey, String.class).get();
+  arangoDB.db("myDatabase").collection("myCollection").getDocument(myObject.getKey, String.class);
 
 ```
 
 ## read document by id
 ``` Java
-  arangoDB.db("myDatabase").getDocument("myCollection/myKey", MyObject.class).get();
+  arangoDB.db("myDatabase").getDocument("myCollection/myKey", MyObject.class);
 
 ```