fixed code style issues

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

@@ -0,0 +1,43 @@
+package core.basesyntax;
+
+import core.basesyntax.model.Cat;
+import core.basesyntax.model.Dog;
+import java.time.LocalDate;
+
+public class HelloWorld {
+    private String string;
+    private int variable;
+    private int age;
+    private int size;
+
+    public static void main(String[] args) {
+        Dog dog = new Dog();
+        Cat cat = new Cat();
+    }
+
+    private String getFromOneToTen() {
+        String result = "";
+
+        for (int i = 0; i < 10; i++) {
+            if (i % 2 == 0) {
+                result = result + i + " ";
+            }
+        }
+        return result;
+    }
+
+    private void sayHello(String hello) {
+        System.out.println(hello);
+    }
+
+    private void initializeVariables() {
+        string = "Hello mates!";
+        System.out.println(string);
+        variable = LocalDate.now().getYear();
+        System.out.println("It is " + variable + "year");
+        age = 25;
+        System.out.println("I'm " + age);
+        size = 42;
+        System.out.println("The size is " + size);
+    }
+}

src/main/java/core/basesyntax/Model/Cat.java

@@ -1,4 +1,4 @@
-package core.basesyntax.Model;
+package core.basesyntax.model;
 
 public class Cat {
     private int age;
@@ -7,10 +7,10 @@ public class Cat {
 
     @Override
     public String toString() {
-        return "Cat{" +
-                "age=" + age +
-                ", name='" + name + '\'' +
-                ", ownerName='" + ownerName + '\'' +
-                '}';
+        return "Cat{"
+               + "age=" + age
+               + ", name='" + name + '\''
+               + ", ownerName='" + ownerName + '\''
+               + '}';
     }
 }

src/main/java/core/basesyntax/Model/Dog.java

@@ -1,4 +1,4 @@
-package core.basesyntax.Model;
+package core.basesyntax.model;
 
 public class Dog {
 }