Java 11 migraiton: module

module/src/main/java/com/iluwatar/module/App.java

@@ -65,10 +65,8 @@ public class App {
 
   /**
    * Following method is main executor.
-   *
-   * @param args for providing default program arguments
    */
-  public static void execute(final String... args) {
+  public static void execute() {
 
     /* Send logs on file system */
     fileLoggerModule.printString("Message");
@@ -88,7 +86,7 @@ public class App {
    */
   public static void main(final String... args) throws FileNotFoundException {
     prepare();
-    execute(args);
+    execute();
     unprepare();
   }
 }

module/src/test/java/com/iluwatar/module/AppTest.java

@@ -23,9 +23,8 @@
 
 package com.iluwatar.module;
 
-import org.junit.jupiter.api.Test;
-
 import java.io.FileNotFoundException;
+import org.junit.jupiter.api.Test;
 
 /**
  * Tests that Module example runs without errors.
@@ -34,7 +33,6 @@ public final class AppTest {
 
   @Test
   public void test() throws FileNotFoundException {
-    final String[] args = {};
-    App.main(args);
+    App.main();
   }
 }

module/src/test/java/com/iluwatar/module/FileLoggerModuleTest.java

@@ -23,17 +23,16 @@
 
 package com.iluwatar.module;
 
-import org.junit.jupiter.api.Test;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
 
 import java.io.BufferedReader;
 import java.io.FileNotFoundException;
 import java.io.FileReader;
 import java.io.IOException;
-
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertNull;
+import org.junit.jupiter.api.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * The Module pattern can be considered a Creational pattern and a Structural pattern. It manages
@@ -58,14 +57,14 @@ public final class FileLoggerModuleTest {
 
   /**
    * This test verify that 'MESSAGE' is perfectly printed in output file
-   * 
+   *
    * @throws IOException if program is not able to find log files (output.txt and error.txt)
    */
   @Test
   public void testFileMessage() throws IOException {
 
     /* Get singletong instance of File Logger Module */
-    final FileLoggerModule fileLoggerModule = FileLoggerModule.getSingleton();
+    final var fileLoggerModule = FileLoggerModule.getSingleton();
 
     /* Prepare the essential sub modules, to perform the sequence of jobs */
     fileLoggerModule.prepare();
@@ -82,14 +81,14 @@ public final class FileLoggerModuleTest {
 
   /**
    * This test verify that nothing is printed in output file
-   * 
+   *
    * @throws IOException if program is not able to find log files (output.txt and error.txt)
    */
   @Test
   public void testNoFileMessage() throws IOException {
 
-    /* Get singletong instance of File Logger Module */
-    final FileLoggerModule fileLoggerModule = FileLoggerModule.getSingleton();
+    /* Get singleton instance of File Logger Module */
+    final var fileLoggerModule = FileLoggerModule.getSingleton();
 
     /* Prepare the essential sub modules, to perform the sequence of jobs */
     fileLoggerModule.prepare();
@@ -103,15 +102,15 @@ public final class FileLoggerModuleTest {
 
   /**
    * This test verify that 'ERROR' is perfectly printed in error file
-   * 
+   *
    * @throws FileNotFoundException if program is not able to find log files (output.txt and
-   *         error.txt)
+   *                               error.txt)
    */
   @Test
   public void testFileErrorMessage() throws FileNotFoundException {
 
     /* Get singletong instance of File Logger Module */
-    final FileLoggerModule fileLoggerModule = FileLoggerModule.getSingleton();
+    final var fileLoggerModule = FileLoggerModule.getSingleton();
 
     /* Prepare the essential sub modules, to perform the sequence of jobs */
     fileLoggerModule.prepare();
@@ -122,21 +121,21 @@ public final class FileLoggerModuleTest {
     /* Test if 'Message' is printed in file */
     assertEquals(ERROR, readFirstLine(ERROR_FILE));
 
-    /* Unprepare to cleanup the modules */
+    /* Un-prepare to cleanup the modules */
     fileLoggerModule.unprepare();
   }
 
   /**
    * This test verify that nothing is printed in error file
-   * 
+   *
    * @throws FileNotFoundException if program is not able to find log files (output.txt and
-   *         error.txt)
+   *                               error.txt)
    */
   @Test
   public void testNoFileErrorMessage() throws FileNotFoundException {
 
     /* Get singletong instance of File Logger Module */
-    final FileLoggerModule fileLoggerModule = FileLoggerModule.getSingleton();
+    final var fileLoggerModule = FileLoggerModule.getSingleton();
 
     /* Prepare the essential sub modules, to perform the sequence of jobs */
     fileLoggerModule.prepare();
@@ -150,14 +149,14 @@ public final class FileLoggerModuleTest {
 
   /**
    * Utility method to read first line of a file
-   * 
+   *
    * @param file as file name to be read
    * @return a string value as first line in file
    */
-  private static final String readFirstLine(final String file) {
+  private static String readFirstLine(final String file) {
 
     String firstLine = null;
-    try (BufferedReader bufferedReader = new BufferedReader(new FileReader(file))) {
+    try (var bufferedReader = new BufferedReader(new FileReader(file))) {
 
       while (bufferedReader.ready()) {