diff --git a/serie1/Tableau.java b/serie1/Tableau.java
new file mode 100644
index 0000000000000000000000000000000000000000..b42789d38d063e33810c5c8c800bc1d3c934d193
--- /dev/null
+++ b/serie1/Tableau.java
@@ -0,0 +1,25 @@
+public class Tableau {
+
+    public static int countPositive(double[][] mat) {
+        int res = 0;
+        for (int i = 0; i < mat.length; i++) {
+            for (int j = 0; j < mat[i].length; j++) {
+                if (mat[i][j] > 0.0) {
+                    res++;
+                }
+            }
+        }
+        return res;
+    }
+
+    public static void main(String[] args) {
+        double[][] example = {
+                { 1.0, -2.0 },
+                { 3.0 },
+                { 1.5, -2.5, 3.0 }
+        };
+
+        int res = countPositive(example);
+        System.out.println("Count: " + res);
+    }
+}