From b1e26cc5da00a13ec420eaf23314b9276832d04e Mon Sep 17 00:00:00 2001
From: orange <raffy.m.96@gmail.com>
Date: Tue, 27 Dec 2016 18:02:06 +0100
Subject: [PATCH] add copy

---
 src/StruttureDati/SimpleList/ListNI.java | 35 ++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 src/StruttureDati/SimpleList/ListNI.java

diff --git a/src/StruttureDati/SimpleList/ListNI.java b/src/StruttureDati/SimpleList/ListNI.java
new file mode 100644
index 0000000..66ae221
--- /dev/null
+++ b/src/StruttureDati/SimpleList/ListNI.java
@@ -0,0 +1,35 @@
+public class ListNI extends SimpleList{
+
+    public ListNI(){
+        super();
+    }
+
+    public void addAt(int pos, Object elem){
+        if(pos==0)
+            addHead(elem);
+        else if(!isEmpty()){
+            Object headElem=head();
+            remHead();
+            addAt(pos-1, elem);
+            addHead(headElem);
+        }
+    }
+
+    public void remAt(int pos, Object elem){
+        if(pos==0)
+            remHead();
+        else if(!isEmpty()){
+            Object headElem=head();
+            remHead();
+            remAt(pos-1, elem);
+            addHead(headElem);
+        }
+    }
+
+    public ListNI copy(){
+        ListNI list = new ListNI();
+        list.node=this.node;
+        list.len=this.len;
+        return list;
+    }
+}
\ No newline at end of file