refactoring:

src/main/java/PingPong/Paddle.java

@@ -32,10 +32,18 @@ public class Paddle  extends Rectangle {
 
     public void move() {
 
-            y1 += yVelocity1;
+        yVol1();
+        yVol2();
+    }
+
+    private void yVol2() {
         y2 += yVelocity2;
     }
 
+    private void yVol1() {
+        y1 += yVelocity1;
+    }
+
 
     public void setYDirection(int yDirection, int paddleId) {
         if (paddleId == 1) {