📍Use lombok, reformat, and optimize the code (#1560)

* Use lombok, reformat, and optimize the code

* Fix merge conflicts and some sonar issues

Co-authored-by: va1m <va1m@email.com>

double-dispatch/src/main/java/com/iluwatar/doubledispatch/Rectangle.java

@@ -23,9 +23,14 @@
 
 package com.iluwatar.doubledispatch;
 
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
 /**
  * Rectangle has coordinates and can be checked for overlap against other Rectangles.
  */
+@Getter
+@RequiredArgsConstructor
 public class Rectangle {
 
   private final int left;
@@ -33,32 +38,6 @@ public class Rectangle {
   private final int right;
   private final int bottom;
 
-  /**
-   * Constructor.
-   */
-  public Rectangle(int left, int top, int right, int bottom) {
-    this.left = left;
-    this.top = top;
-    this.right = right;
-    this.bottom = bottom;
-  }
-
-  public int getLeft() {
-    return left;
-  }
-
-  public int getTop() {
-    return top;
-  }
-
-  public int getRight() {
-    return right;
-  }
-
-  public int getBottom() {
-    return bottom;
-  }
-
   boolean intersectsWith(Rectangle r) {
     return !(r.getLeft() > getRight() || r.getRight() < getLeft() || r.getTop() > getBottom() || r
         .getBottom() < getTop());