Reformat all Java source files according to style guide

.gitignore

@@ -3,6 +3,9 @@
 /out/
 /*.iml
 
+# VSCode setting files
+.vscode/
+
 # Gradle build files
 /.gradle/
 /build/

src/main/java/Main.java

@@ -19,6 +19,7 @@ public void run() {
         Command command = parser.parseCommand(inputText);
         command.execute(flashcardList, ui);
     }
+
     public static void main() {
         new Main().run();
     }

src/main/java/commands/AddCommand.java

@@ -7,7 +7,7 @@
  * A type of command that will instruct to add a new element into the ArrayList
  * of flashcards.
  */
-public class AddCommand extends Command{
+public class AddCommand extends Command {
     String questionText;
     String answerText;
 
@@ -23,8 +23,8 @@ public String toString() {
 
     @Override
     public void execute(FlashcardList flashcardList, Ui display) {
-        flashcardList.addNewFlashcard(questionText,answerText);
-        display.printSuccessfulAddMessage(questionText,answerText);
+        flashcardList.addNewFlashcard(questionText, answerText);
+        display.printSuccessfulAddMessage(questionText, answerText);
     }
 
 }

src/main/java/commands/UnknownCommand.java

@@ -3,7 +3,7 @@
 import objects.FlashcardList;
 import ui.Ui;
 
-public class UnknownCommand extends Command{
+public class UnknownCommand extends Command {
     @Override
     public void execute(FlashcardList flashcardList, Ui display) {
         display.printInvalidInput();

src/main/java/objects/FlashcardList.java

@@ -12,7 +12,7 @@ public FlashcardList() {
     }
 
     public void addNewFlashcard(String questionText, String answerText) {
-        Flashcard newFlashcard = new Flashcard(questionText,answerText);
+        Flashcard newFlashcard = new Flashcard(questionText, answerText);
         flashcards.add(newFlashcard);
     }
 }

src/main/java/objects/exceptions/EmptyFlashcardAnswerException.java

@@ -1,4 +1,4 @@
 package objects.exceptions;
 
-public class EmptyFlashcardAnswerException extends Exception{
+public class EmptyFlashcardAnswerException extends Exception {
 }

src/main/java/objects/exceptions/EmptyFlashcardQuestionException.java

@@ -1,4 +1,4 @@
 package objects.exceptions;
 
-public class EmptyFlashcardQuestionException extends Exception{
+public class EmptyFlashcardQuestionException extends Exception {
 }

src/main/java/objects/exceptions/InvalidAddFlashcardInputException.java

@@ -1,4 +1,4 @@
 package objects.exceptions;
 
-public class InvalidAddFlashcardInputException extends Exception{
+public class InvalidAddFlashcardInputException extends Exception {
 }

src/main/java/objects/flashcard/Flashcard.java

@@ -1,6 +1,5 @@
 package objects.flashcard;
 
-
 public class Flashcard {
     private String questionText;
     private String answerText;

src/main/java/parser/Parser.java

@@ -10,14 +10,16 @@
 public class Parser {
     public static final String QUESTION_START_INDICATOR = "/q";
     public static final String ANSWER_START_INDICATOR = "/a";
+
     public Command parseCommand(String userInput) {
         String commandPhrase = userInput.split(" ")[0];
         switch (commandPhrase) {
         case "add":
             try {
                 return reformatAddCommandInput(userInput);
             } catch (InvalidAddFlashcardInputException e) {
-                System.out.println("The input is in an incorrect format, please follow the format in user guide");
+                System.out.println(
+                        "The input is in an incorrect format, please follow the format in user guide");
             } catch (EmptyFlashcardQuestionException e) {
                 System.out.println("The question of this card is empty, please enter one.");
             } catch (EmptyFlashcardAnswerException e) {
@@ -31,14 +33,18 @@ public Command parseCommand(String userInput) {
     }
 
     /**
-     * Constructs an AddCommand from the input of the user, if the input is of an incorrect
-     * format, a respective exception will be thrown.
+     * Constructs an AddCommand from the input of the user, if the input is of an
+     * incorrect format, a respective exception will be thrown.
      *
      * @param userInput The input collected by Ui from the user.
-     * @return An AddCommand with the question and answer text extracted from user input.
-     * @throws InvalidAddFlashcardInputException If the start indicators cannot be found.
-     * @throws EmptyFlashcardQuestionException If the string is empty after QUESTION_START_INDICATOR.
-     * @throws EmptyFlashcardAnswerException If the string is empty after ANSWER_START_INDICATOR.
+     * @return An AddCommand with the question and answer text extracted from user
+     *         input.
+     * @throws InvalidAddFlashcardInputException If the start indicators cannot be
+     *                                           found.
+     * @throws EmptyFlashcardQuestionException   If the string is empty after
+     *                                           QUESTION_START_INDICATOR.
+     * @throws EmptyFlashcardAnswerException     If the string is empty after
+     *                                           ANSWER_START_INDICATOR.
      */
     public AddCommand reformatAddCommandInput(String userInput)
             throws InvalidAddFlashcardInputException, EmptyFlashcardQuestionException,
@@ -48,16 +54,18 @@ public AddCommand reformatAddCommandInput(String userInput)
         if (positionOfStartOfAnswer == -1 || positionOfStartOfQuestion == -1) {
             throw new InvalidAddFlashcardInputException();
         }
-        String questionText = userInput.substring(positionOfStartOfQuestion +
-                QUESTION_START_INDICATOR.length(), positionOfStartOfAnswer).trim();
-        String answerText = userInput.substring(positionOfStartOfAnswer +
-                ANSWER_START_INDICATOR.length()).trim();
+        String questionText = userInput
+                .substring(positionOfStartOfQuestion + QUESTION_START_INDICATOR.length(),
+                        positionOfStartOfAnswer)
+                .trim();
+        String answerText = userInput
+                .substring(positionOfStartOfAnswer + ANSWER_START_INDICATOR.length()).trim();
         if (questionText.isEmpty()) {
             throw new EmptyFlashcardQuestionException();
         }
         if (answerText.isEmpty()) {
             throw new EmptyFlashcardAnswerException();
         }
-        return new AddCommand(questionText,answerText);
+        return new AddCommand(questionText, answerText);
     }
 }

src/main/java/seedu/duke/Duke.java

@@ -7,10 +7,8 @@ public class Duke {
      * Main entry-point for the java.duke.Duke application.
      */
     public static void main(String[] args) {
-        String logo = " ____        _        \n"
-                + "|  _ \\ _   _| | _____ \n"
-                + "| | | | | | | |/ / _ \\\n"
-                + "| |_| | |_| |   <  __/\n"
+        String logo = " ____        _        \n" + "|  _ \\ _   _| | _____ \n"
+                + "| | | | | | | |/ / _ \\\n" + "| |_| | |_| |   <  __/\n"
                 + "|____/ \\__,_|_|\\_\\___|\n";
         System.out.println("Hello from\n" + logo);
         System.out.println("What is your name?");

src/main/java/ui/Ui.java

@@ -23,19 +23,19 @@ public Ui(InputStream in, PrintStream out) {
     }
 
     /**
-     * Prompts for the command and reads the text entered by the user.
-     * Ignores empty, pure whitespace, and comment lines.
-     * Echos the command back to the user.
+     * Prompts for the command and reads the text entered by the user. Ignores
+     * empty, pure whitespace, and comment lines. Echos the command back to the
+     * user.
+     * 
      * @return command (full line) entered by the user
      */
     public String getUserCommand() {
         return in.nextLine();
     }
 
     public void printSuccessfulAddMessage(String questionText, String answerText) {
-        System.out.println("A new card is now added:" + System.lineSeparator() +
-                "Question: " + questionText + System.lineSeparator() +
-                "Answer: " + answerText);
+        System.out.println("A new card is now added:" + System.lineSeparator() + "Question: "
+                + questionText + System.lineSeparator() + "Answer: " + answerText);
     }
 
     public void printInvalidInput() {

src/test/java/objects/flashcard/FlashcardTest.java

@@ -1,13 +1,13 @@
 
 package objects.flashcard;
+
 import org.junit.jupiter.api.Test;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
-
 class FlashcardTest {
     @Test
     public void constructNewFlashcard_correctlyFormattedInputs_success() {
-        Flashcard testCard = new Flashcard("QUESTION","ANSWER");
+        Flashcard testCard = new Flashcard("QUESTION", "ANSWER");
         assertEquals("QUESTION", testCard.getQuestionText());
         assertEquals("ANSWER", testCard.getAnswerText());
     }

src/test/java/parser/ParserTest.java

@@ -11,7 +11,6 @@
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
-
 class ParserTest {
     @Test
     public void parseAddCommand_correctlyFormattedInput_successful() {