diff --git a/CheckSparseVector.java b/CheckSparseVector.java
index 6001996..6f0219a 100644
--- a/CheckSparseVector.java
+++ b/CheckSparseVector.java
@@ -1,4 +1,171 @@
 public class CheckSparseVector {
-    //heyhey
-    //test leo
+
+
+    public static void main(String[] args) {
+
+        //(ausgelagert)
+
+        // erstellen des this.Vektors = control Vector
+        SparseVector controlVector = new SparseVector(10);
+        controlVector.setElement(0, 10.0);
+        controlVector.setElement(5, 123.213);
+        controlVector.setElement(8, 65.01);
+        controlVector.setElement(9, 112.79);
+        controlVector.setElement(10, -212.79);
+        System.out.println("\n");
+
+        // erstellen der testVektoren (the 5 "others")
+        SparseVector otherVector1 = new SparseVector(10);
+        otherVector1.setElement(0, 10.0);
+        otherVector1.setElement(5, 123.213);
+        otherVector1.setElement(8, 65.01);
+        otherVector1.setElement(9, 112.79);
+        otherVector1.setElement(10, -212.79);
+        otherVector1.setElement(12, 12);
+
+
+        System.out.println("\n");
+
+        SparseVector otherVector2 = new SparseVector(5);
+        otherVector2.setElement(0, 0);
+        otherVector2.setElement(1, 2);
+        otherVector2.setElement(2, 5);
+        otherVector2.setElement(3, 11.0);
+        otherVector2.setElement(4, 22.2);
+        System.out.println("\n");
+
+        SparseVector otherVector3 = new SparseVector(20);
+        otherVector3.setElement(0,123);
+        otherVector3.setElement(5,11);
+        otherVector3.setElement(6,20);  
+        otherVector3.setElement(7,7);
+        otherVector3.setElement(11,2);
+        otherVector3.setElement(14,3);
+        otherVector3.setElement(18,4);
+        System.out.println("\n");
+
+        SparseVector otherVector4 = new SparseVector(10); // ein leerer other. Vektor mit Länge 10
+        System.out.println("der Wert des otherVector4 an der Position 0 ist: "+ otherVector4.getElement(0)); // 0.0
+        System.out.println("der Wert des otherVector4 an der Position 5 ist: "+ otherVector4.getElement(5)); // 0.0
+        System.out.println("der Wert des otherVector4 an der Position 7 ist: "+ otherVector4.getElement(7));// 0.0
+        System.out.println("der Wert des otherVector4 an der Position 9 ist: " + otherVector4.getElement(9));// 0.0
+        System.out.println("die Länge des otherVector4 ist: " + otherVector4.getLength()); // 10
+        try{ 
+        System.out.println(otherVector4.getElement(99));
+        } catch(Exception e){
+        System.out.println(e);
+        }
+          try{ 
+        System.out.println(otherVector4.getElement(-1));
+        } catch(Exception e){
+        System.out.println(e);
+        }
+        System.out.println("\n");
+
+        SparseVector otherVector5 = new SparseVector(20); // ein leerer other. Vektor mit Länge 10
+        System.out.println("der Wert des otherVector5 an der Position 0 ist: "+ otherVector5.getElement(0)); // 0.0
+        System.out.println("der Wert des otherVector5 an der Position 5 ist: "+ otherVector5.getElement(5)); // 0.0
+        System.out.println("der Wert des otherVector5 an der Position 17 ist: "+ otherVector5.getElement(17));// 0.0
+        System.out.println("der Wert des otherVector5 an der Position 19 ist: " + otherVector5.getElement(19));// 0.0
+        System.out.println("die Länge des otherVector5 ist: " + otherVector5.getLength()); // 20
+             try{ 
+        System.out.println(otherVector4.getElement(20));
+        } catch(Exception e){
+        System.out.println(e);
+        }
+          try{ 
+        System.out.println(otherVector4.getElement(-1));
+        } catch(Exception e){
+        System.out.println(e);
+        }
+        System.out.println("\n");
+
+
+        // Testen des this. Vektors --> testen Methoden wie getLength(), getElement(), setElement(), removeElement()
+        System.out.println("die Länge des controlVector ist: " + controlVector.getLength()); // 10
+        System.out.println("der Wert des controlVector an der Position 5 ist: "+ controlVector.getElement(5)); // 123.213
+        System.out.println("der Wert des controlVector an der Position 0 ist: " + controlVector.getElement(0)); //10.0
+        System.out.println("der Wert des controlVector an der Position 1 ist: " + controlVector.getElement(1)); //0.0
+             try{ 
+        System.out.println(controlVector.getElement(99));
+        } catch(Exception e){
+        System.out.println(e);
+        }
+          try{ 
+        System.out.println(controlVector.getElement(-1));
+        } catch(Exception e){
+        System.out.println(e);
+        }
+        // testen equal(), wenn die beiden Vektoren identisch sind → should be true, not anymore :)
+        System.out.println(controlVector.equals(otherVector1));
+        System.out.println("\n");
+
+        controlVector.removeElement(5);
+        System.out.println("der Wert des controlVector an der Position 5 ist: "+ controlVector.getElement(5)); // 0.0
+        System.out.println("Die Länge nach remove ist: "+ controlVector.getLength()); // 10
+
+        controlVector.removeElement(7);
+        System.out.println("der Wert des controlVector an der Position 7 ist: "+ controlVector.getElement(7)); // 0.0
+
+
+        controlVector.setElement(5, 100);
+        System.out.println("der Wert des controlVector an der Position 5 ist: "+ controlVector.getElement(5)); //100.0
+
+        System.out.println("\n");
+
+        //  testen equals(other) --> nicht identisch
+        System.out.println(controlVector.equals(otherVector1)); // should be false, weil der Wert an Index 5 zu 100 gesetzt wurde
+        System.out.println(controlVector.equals(otherVector2)); // should be false
+        System.out.println(controlVector.equals(otherVector3)); // should be false
+        System.out.println(controlVector.equals(otherVector4)); // should be false
+        System.out.println("\n");
+
+        otherVector1.setElement(5, 100);
+        System.out.println("der Wert des otherVector1 an der Position 5 ist: "+ otherVector1.getElement(5)); //100.0
+        System.out.println(otherVector1.equals(controlVector));// should be true, weil der Wert an Index 5 von this und other Vektor gleich 100
+        System.out.println("\n");
+
+
+        // testen add()
+        controlVector.add(otherVector1);
+
+        System.out.println("die Länge des controlVector ist: " + controlVector.getLength()); // 10
+        System.out.println("der Wert des controlVector an der Position 0 ist: "+ controlVector.getElement(0)); // 10 + 10 = 20
+        System.out.println("der Wert des controlVector an der Position 5 ist: " + controlVector.getElement(5)); // 100 + 100 = 200
+        System.out.println("der Wert des controlVector an der Position 6 ist: " + controlVector.getElement(6)); // 0.0
+        System.out.println("der Wert des controlVector an der Position 8 ist: " + controlVector.getElement(8)); // 65.01 + 65.01 = 130.02
+        System.out.println("der Wert des controlVector an der Position 9 ist: " + controlVector.getElement(9)); // 112.79 + 112.79 = 225.58
+        System.out.println("\n");
+
+        controlVector.add(otherVector2);
+
+        controlVector.setElement(3,90.1);
+        System.out.println("der Wert des controlVector an der Position 0 ist: "+ controlVector.getElement(0)); // 20
+        System.out.println("der Wert des controlVector an der Position 3 ist: " + controlVector.getElement(3)); // 90.1
+        System.out.println("\n");
+
+        controlVector.add(otherVector3);
+        System.out.println("der Wert des controlVector an der Position 0 ist: "+ controlVector.getElement(0)); // 20
+        System.out.println("der Wert des controlVector an der Position 5 ist: "+ controlVector.getElement(5)); // 200
+        System.out.println("der Wert des controlVector an der Position 9 ist: "+ controlVector.getElement(9)); // 225.58
+        System.out.println("\n");
+
+        controlVector.add(otherVector4);
+
+        System.out.println("der Wert des controlVector an der Position 0 ist: "+ controlVector.getElement(0));
+        System.out.println("der Wert des controlVector an der Position 5 ist: "+ controlVector.getElement(5));
+        System.out.println("\n");
+
+        controlVector.removeElement(0);
+
+        System.out.println("der Wert des controlVector an der Position 0 ist: "+ controlVector.getElement(0)); // 0.0
+        System.out.println("der Wert des controlVector an der Position 5 ist: "+ controlVector.getElement(5)); // 200
+        System.out.println("\n");
+
+        controlVector.add(otherVector5);
+        System.out.println("der Wert des controlVector an der Position 0 ist: "+ controlVector.getElement(0)); // 0.0
+        System.out.println("der Wert des controlVector an der Position 5 ist: "+ controlVector.getElement(5)); // 200
+        System.out.println("\n");
+
+    }
 }
diff --git a/FullVersion(fromElsewhere)/CheckSparseVector.java b/FullVersion(fromElsewhere)/CheckSparseVector.java
deleted file mode 100644
index 863df48..0000000
--- a/FullVersion(fromElsewhere)/CheckSparseVector.java
+++ /dev/null
@@ -1,130 +0,0 @@
-public class CheckSparseVector {
-
-
-    public static void main(String[] args) {
-
-        //(ausgelagert)
-
-        // erstellen des this.Vektors = control Vector
-        SparseVector controlVector = new SparseVector(10);
-        controlVector.setElement(0, 10.0);
-        controlVector.setElement(5, 123.213);
-        controlVector.setElement(8, 65.01);
-        controlVector.setElement(9, 112.79);
-        System.out.println("\n");
-
-        // erstellen der testVektoren (the 5 "others")
-        SparseVector otherVector1 = new SparseVector(10);
-        otherVector1.setElement(0, 10.0);
-        otherVector1.setElement(5, 123.213);
-        otherVector1.setElement(8, 65.01);
-        otherVector1.setElement(9, 112.79);
-        System.out.println("\n");
-
-        SparseVector otherVector2 = new SparseVector(5);
-        otherVector2.setElement(0, 11.0);
-        otherVector2.setElement(3, 22.2);
-        System.out.println("\n");
-
-        SparseVector otherVector3 = new SparseVector(20);
-        otherVector3.setElement(0,123);
-        otherVector3.setElement(5,11);
-        otherVector3.setElement(11,2);
-        otherVector3.setElement(14,3);
-        otherVector3.setElement(18,4);
-        System.out.println("\n");
-
-        SparseVector otherVector4 = new SparseVector(10); // ein leerer other. Vektor mit Länge 10
-        System.out.println("der Wert des otherVector4 an der Position 5 ist: "+ otherVector4.getElement(5)); // 0.0
-        System.out.println("der Wert des otherVector4 an der Position 7 ist: "+ otherVector4.getElement(7));// 0.0
-        System.out.println("der Wert des otherVector4 an der Position 9 ist: " + otherVector4.getElement(9));// 0.0
-        System.out.println("die Länge des otherVector4 ist: " + otherVector4.getLength()); // 10
-        System.out.println("\n");
-
-        SparseVector otherVector5 = new SparseVector(20); // ein leerer other. Vektor mit Länge 10
-        System.out.println("der Wert des otherVector5 an der Position 5 ist: "+ otherVector5.getElement(5)); // 0.0
-        System.out.println("der Wert des otherVector5 an der Position 17 ist: "+ otherVector5.getElement(17));// 0.0
-        System.out.println("der Wert des otherVector5 an der Position 19 ist: " + otherVector5.getElement(19));// 0.0
-        System.out.println("die Länge des otherVector5 ist: " + otherVector5.getLength()); // 20
-        System.out.println("\n");
-
-
-        // Testen des this. Vektors --> testen Methoden wie getLength(), getElement(), setElement(), removeElement()
-        System.out.println("die Länge des controlVector ist: " + controlVector.getLength()); // 10
-        System.out.println("der Wert des controlVector an der Position 5 ist: "+ controlVector.getElement(5)); // 123.213
-        System.out.println("der Wert des controlVector an der Position 0 ist: " + controlVector.getElement(0)); //10.0
-        System.out.println("der Wert des controlVector an der Position 1 ist: " + controlVector.getElement(1)); //0.0
-
-        // testen equal(), wenn die beiden Vektoren identisch sind → should be true
-        System.out.println(controlVector.equals(otherVector1));
-        System.out.println("\n");
-
-        controlVector.removeElement(5);
-        System.out.println("der Wert des controlVector an der Position 5 ist: "+ controlVector.getElement(5)); // 0.0
-        System.out.println("Die Länge nach remove ist: "+ controlVector.getLength()); // 10
-
-        controlVector.removeElement(7);
-        System.out.println("der Wert des controlVector an der Position 7 ist: "+ controlVector.getElement(7)); // 0.0
-
-
-        controlVector.setElement(5, 100);
-        System.out.println("der Wert des controlVector an der Position 5 ist: "+ controlVector.getElement(5)); //100.0
-
-        System.out.println("\n");
-
-        //  testen equals(other) --> nicht identisch
-        System.out.println(controlVector.equals(otherVector1)); // should be false, weil der Wert an Index 5 zu 100 gesetzt wurde
-        System.out.println(controlVector.equals(otherVector2)); // should be false
-        System.out.println(controlVector.equals(otherVector3)); // should be false
-        System.out.println(controlVector.equals(otherVector4)); // should be false
-        System.out.println("\n");
-
-        otherVector1.setElement(5, 100);
-        System.out.println("der Wert des otherVector1 an der Position 5 ist: "+ otherVector1.getElement(5)); //100.0
-        System.out.println(otherVector1.equals(controlVector));// should be true, weil der Wert an Index 5 von this und other Vektor gleich 100
-        System.out.println("\n");
-
-
-        // testen add()
-        controlVector.add(otherVector1);
-
-        System.out.println("die Länge des controlVector ist: " + controlVector.getLength()); // 10
-        System.out.println("der Wert des controlVector an der Position 0 ist: "+ controlVector.getElement(0)); // 10 + 10 = 20
-        System.out.println("der Wert des controlVector an der Position 5 ist: " + controlVector.getElement(5)); // 100 + 100 = 200
-        System.out.println("der Wert des controlVector an der Position 6 ist: " + controlVector.getElement(6)); // 0.0
-        System.out.println("der Wert des controlVector an der Position 8 ist: " + controlVector.getElement(8)); // 65.01 + 65.01 = 130.02
-        System.out.println("der Wert des controlVector an der Position 9 ist: " + controlVector.getElement(9)); // 112.79 + 112.79 = 225.58
-        System.out.println("\n");
-
-        controlVector.add(otherVector2);
-
-        controlVector.setElement(3,90.1);
-        System.out.println("der Wert des controlVector an der Position 0 ist: "+ controlVector.getElement(0)); // 20
-        System.out.println("der Wert des controlVector an der Position 3 ist: " + controlVector.getElement(3)); // 90.1
-        System.out.println("\n");
-
-        controlVector.add(otherVector3);
-        System.out.println("der Wert des controlVector an der Position 0 ist: "+ controlVector.getElement(0)); // 20
-        System.out.println("der Wert des controlVector an der Position 5 ist: "+ controlVector.getElement(5)); // 200
-        System.out.println("der Wert des controlVector an der Position 9 ist: "+ controlVector.getElement(9)); // 225.58
-        System.out.println("\n");
-
-        controlVector.add(otherVector4);
-
-        System.out.println("der Wert des controlVector an der Position 0 ist: "+ controlVector.getElement(0));
-        System.out.println("der Wert des controlVector an der Position 5 ist: "+ controlVector.getElement(5));
-        System.out.println("\n");
-
-        controlVector.removeElement(0);
-
-        System.out.println("der Wert des controlVector an der Position 0 ist: "+ controlVector.getElement(0)); // 0.0
-        System.out.println("der Wert des controlVector an der Position 5 ist: "+ controlVector.getElement(5)); // 200
-        System.out.println("\n");
-
-        controlVector.add(otherVector5);
-        System.out.println("der Wert des controlVector an der Position 0 ist: "+ controlVector.getElement(0)); // 0.0
-        System.out.println("der Wert des controlVector an der Position 5 ist: "+ controlVector.getElement(5)); // 200
-        System.out.println("\n");
-
-    }
-}