refactoring:

src/main/java/PingPong/Paddle.java

@@ -32,9 +32,17 @@ public class Paddle  extends Rectangle {
 
     public void move() {
 
-            y1 += yVelocity1;
-            y2 += yVelocity2;
-        }
+        yVol1();
+        yVol2();
+    }
+
+    private void yVol2() {
+        y2 += yVelocity2;
+    }
+
+    private void yVol1() {
+        y1 += yVelocity1;
+    }
 
 
     public void setYDirection(int yDirection, int paddleId) {