first commit

pom.xml

@@ -18,12 +18,14 @@
     </properties>
 
     <dependencies>
+        <!-- https://mvnrepository.com/artifact/junit/junit -->
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.2</version>
             <scope>test</scope>
         </dependency>
+
     </dependencies>
     <build>
         <plugins>
@@ -41,7 +43,7 @@
                 </executions>
                 <configuration>
                     <configLocation>${maven.checkstyle.plugin.configLocation}</configLocation>
-                    <encoding>UTF-8</encoding>
+
                     <consoleOutput>true</consoleOutput>
                     <failsOnError>true</failsOnError>
                     <linkXRef>false</linkXRef>

src/main/java/core/basesyntax/Main.java

@@ -0,0 +1,10 @@
+package core.basesyntax;
+
+public class Main {
+    public static void main(String[] args) {
+        User user = new User("hello", null, null);
+
+        UserService userService = new UserService();
+        userService.registerUser(user);
+    }
+}

src/main/java/core/basesyntax/PasswordValidationException.java

@@ -1,3 +1,7 @@
 package core.basesyntax;
 
-//write your code here
+public class PasswordValidationException extends Exception {
+    public PasswordValidationException(String message) {
+        super(message);
+    }
+}

src/main/java/core/basesyntax/PasswordValidator.java

@@ -1,7 +1,13 @@
 package core.basesyntax;
 
 public class PasswordValidator {
-    public void validate(String password, String repeatPassword) {
-        //write your code here
+    public void validate(String password, String repeatPassword)
+            throws PasswordValidationException {
+
+        if (password == null && repeatPassword == null
+                || password.length() < 10 && repeatPassword.length() < 10
+                || !(password.equals(repeatPassword))) {
+            throw new PasswordValidationException("Wrong passwords");
+        }
     }
 }

src/main/java/core/basesyntax/UserService.java

@@ -2,7 +2,14 @@
 
 public class UserService {
     public void registerUser(User user) {
-        //write your code here
+        PasswordValidator passwordValidator = new PasswordValidator();
+        try {
+            passwordValidator.validate(user.getPassword(), user.getRepeatPassword());
+            saveUser(user);
+        } catch (PasswordValidationException e) {
+            System.out.println("Your passwords are incorrect. Try again.");
+        }
+
     }
 
     public void saveUser(User user) {