have 28 errors

src/main/java/core/basesyntax/Hello_World.java → src/main/java/core/basesyntax/HelloWorld.java

@@ -1,16 +1,14 @@
 package core.basesyntax;
 
-import core.basesyntax.Model.Dog;
 import core.basesyntax.Model.Cat;
-
+import core.basesyntax.Model.Dog;
 import java.time.LocalDate;
-import java.util.Objects;
 
-public class Hello_World
-{
+public class HelloWorld {
     private String a;
-    private int vARIaBLE;
-    private int age, size;
+    private int variable;
+    private int age;
+    private int size;
 
 
     public static void main(String[] args) {
@@ -27,17 +25,17 @@ private String getFromOneToTen() {
         return result;
     }
 
-    private void sayHello(String HELLO) {
+    private void sayHello(String hello) {
         System.out.println("Hello, Mate! I am happy to see you! This class looks weird! Your task is to fix the checkstyle in this file." +
         " Your goal is to run `mvn clean package` and receive `BUILD SUCCESS` message");
-        System.out.println(HELLO);
+        System.out.println(hello);
     }
 
     private void initializeVariables() {
         a = "Hello mates!";
         System.out.println(a);
-        vARIaBLE = LocalDate.now().getYear();
-        System.out.println("It is " + vARIaBLE + "year");
+        variable = LocalDate.now().getYear();
+        System.out.println("It is " + variable + "year");
         age = 25;
         System.out.println("I'm " + age);
         size = 42;