updated 1 solution

Java/Advanced/Covariant Return Types/Solution.java

@@ -29,27 +29,27 @@ class Lotus extends Flower {
     }
 }
 
-class State {
+class Region {
     Flower yourNationalFlower() {
         return new Flower();
     }
 }
 
-class WestBengal extends State {
+class WestBengal extends Region {
     @Override
     Jasmine yourNationalFlower() {
         return new Jasmine();
     }
 }
 
-class Karnataka extends State {
+class Karnataka extends Region {
     @Override
     Lotus yourNationalFlower() {
         return new Lotus();
     }
 }
 
-class AndhraPradesh extends State {
+class AndhraPradesh extends Region {
     @Override
     Lily yourNationalFlower() {
         return new Lily();