📍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>

leader-followers/src/test/java/com/AppTest.java

@@ -26,18 +26,17 @@ package com;
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 
 import com.iluwatar.leaderfollowers.App;
+
 import org.junit.jupiter.api.Test;
 
 /**
- *
  * Application test
- *
  */
 class AppTest {
 
-    @Test
-    void shouldExecuteApplicationWithoutException() {
-        assertDoesNotThrow(() -> App.main(new String[]{}));
-    }
+  @Test
+  void shouldExecuteApplicationWithoutException() {
+    assertDoesNotThrow(() -> App.main(new String[]{}));
+  }
 
 }

leader-followers/src/test/java/com/TaskHandlerTest.java

@@ -34,12 +34,12 @@ import org.junit.jupiter.api.Test;
  */
 class TaskHandlerTest {
 
-    @Test
-    void testHandleTask() throws InterruptedException {
-        var taskHandler = new TaskHandler();
-        var handle = new Task(100);
-        taskHandler.handleTask(handle);
-        assertTrue(handle.isFinished());
-    }
+  @Test
+  void testHandleTask() throws InterruptedException {
+    var taskHandler = new TaskHandler();
+    var handle = new Task(100);
+    taskHandler.handleTask(handle);
+    assertTrue(handle.isFinished());
+  }
 
 }

leader-followers/src/test/java/com/TaskSetTest.java

@@ -34,20 +34,20 @@ import org.junit.jupiter.api.Test;
  */
 class TaskSetTest {
 
-    @Test
-    void testAddTask() throws InterruptedException {
-        var taskSet = new TaskSet();
-        taskSet.addTask(new Task(10));
-        assertEquals(1, taskSet.getSize());
-    }
+  @Test
+  void testAddTask() throws InterruptedException {
+    var taskSet = new TaskSet();
+    taskSet.addTask(new Task(10));
+    assertEquals(1, taskSet.getSize());
+  }
 
-    @Test
-    void testGetTask() throws InterruptedException {
-        var taskSet = new TaskSet();
-        taskSet.addTask(new Task(100));
-        Task task = taskSet.getTask();
-        assertEquals(100, task.getTime());
-        assertEquals(0, taskSet.getSize());
-    }
+  @Test
+  void testGetTask() throws InterruptedException {
+    var taskSet = new TaskSet();
+    taskSet.addTask(new Task(100));
+    Task task = taskSet.getTask();
+    assertEquals(100, task.getTime());
+    assertEquals(0, taskSet.getSize());
+  }
 
 }