diff --git a/src/Retta.class b/src/Retta.class
new file mode 100644
index 0000000..fa0833f
Binary files /dev/null and b/src/Retta.class differ
diff --git a/src/Retta.java b/src/Retta.java
new file mode 100644
index 0000000..b905b81
--- /dev/null
+++ b/src/Retta.java
@@ -0,0 +1,20 @@
+import java.awt.Point;
+
+public class Retta{
+    public static void main(String [] args){
+        Point p1 = new Point(0, 3);
+        Point p2 = new Point(2, 4);
+        int x = 4;
+
+        System.out.println(x*getM(p1, p2) + getQ(p1, p2));
+
+    }
+
+    public static double getM(Point a, Point b){
+        return (b.getY()-a.getY())/(b.getX()-a.getX());
+    }
+
+    public static double getQ(Point a, Point b){
+        return a.getY()-a.getX()*getM(a, b);
+    }
+}