diff --git a/src/main/java/ch/hepia/numeric/Vector.java b/src/main/java/ch/hepia/numeric/Vector.java
index 80134cff58cfaf16557c7149b0bd7d3c8566e04f..9d6fc885c701f6aefbc910e82ec2a6dc1082010b 100644
--- a/src/main/java/ch/hepia/numeric/Vector.java
+++ b/src/main/java/ch/hepia/numeric/Vector.java
@@ -134,7 +134,12 @@ final public class Vector {
     }
 
     public static Vector fill(int nb, double value) {
-        throw new UnsupportedOperationException("This feature isn't implemented yet");
+        Vector v = new Vector();
+       for(int i = 0; i < nb; i++)
+       {
+         v.lstVector.add(value);
+       }
+       return v;
     }
 
     public static Vector zeros(int nb) {
diff --git a/src/test/java/ch/hepia/numeric/AppTest.java b/src/test/java/ch/hepia/numeric/AppTest.java
index eb2ed6aa1a9f6fea2c8fe43c4bb256381e33e555..05a121e5382be7ee356d6496f0929c0684f67201 100644
--- a/src/test/java/ch/hepia/numeric/AppTest.java
+++ b/src/test/java/ch/hepia/numeric/AppTest.java
@@ -22,16 +22,20 @@ class VectorTest {
         assertEquals(v1.mul(3.0).toString(), Vector.of(3.0, 6.0, 9.0).toString());
         assertEquals(Vector.empty().len(), 0);
         assertEquals(Vector.of(1.0, 2.0, 1.0).len(), 3);
+       // assertEquals(Vector.fill(4,3.0).toString(),Vector.of(3.0, 3.0, 3.0,3.0).toString());
+
+        
     }
-/*
+
     @Test
     void vectorCreation() {
-        assertEquals(Vector.zeros(3), Vector.of(0.0, 0.0, 0.0));
-        assertEquals(Vector.ones(3), Vector.of(1.0, 1.0, 1.0));
-        assertEquals(Vector.of(1.0, 2.0).map( d -> d * 2.0), Vector.of(2.0, 4.0));
-        assertEquals(Vector.fill(3, 1.7), Vector.of(1.7, 1.7, 1.7));
-        assertEquals(Vector.tabulate(4, i -> i*5.0), Vector.of(0.0, 5.0, 10.0, 15.0));
+        //assertEquals(Vector.zeros(3), Vector.of(0.0, 0.0, 0.0));
+        //assertEquals(Vector.ones(3), Vector.of(1.0, 1.0, 1.0));
+        //assertEquals(Vector.of(1.0, 2.0).map( d -> d * 2.0), Vector.of(2.0, 4.0));
+        assertEquals(Vector.fill(3, 1.7).toString(), Vector.of(1.7, 1.7, 1.7).toString());
+        //assertEquals(Vector.tabulate(4, i -> i*5.0), Vector.of(0.0, 5.0, 10.0, 15.0));
     }
+    /*
     @Test
     void vectorLinespace() {
         assertEquals(Vector.linespace(0.0, 1.0, 3), Vector.of(0.0, 0.5, 1.0));