diff --git a/src/main/java/duke/Parser.java b/src/main/java/duke/Parser.java
index 4c0f3cbbf..0d9a09754 100644
--- a/src/main/java/duke/Parser.java
+++ b/src/main/java/duke/Parser.java
@@ -43,7 +43,8 @@ public static void performTodo(TaskList taskManager, String userInput) {
      * @param stringSeparator such as '/at' or '/by' to identify different type of tasks.
      * @param taskType holds the task child classes, for instance, deadline.
      */
-    public static void performTaskWithTimeConstraints(TaskList taskManager, String userInput, String stringSeparator, String taskType) {
+    public static void performTaskWithTimeConstraints(TaskList taskManager, String userInput,
+                                                      String stringSeparator, String taskType) {
         try {
             Task newTask = taskManager.addTaskWithTime(userInput, stringSeparator);
             Storage.saveDataAddToListOperation(taskManager, newTask);
diff --git a/src/main/java/duke/Storage.java b/src/main/java/duke/Storage.java
index a30ced33d..afabe88fc 100644
--- a/src/main/java/duke/Storage.java
+++ b/src/main/java/duke/Storage.java
@@ -191,7 +191,8 @@ public static void appendDukeDataFile(String newTask) throws IOException, ArrayI
      * @throws IOException If file operation failed.
      * @throws ArrayIndexOutOfBoundsException For any operations which involves index checking.
      */
-    public static void modifyMarkStatusDataFile(int taskNumber, boolean isMarked) throws IOException, ArrayIndexOutOfBoundsException {
+    public static void modifyMarkStatusDataFile(int taskNumber, boolean isMarked) throws
+            IOException, ArrayIndexOutOfBoundsException {
         List<String> fileContentLines = Files.readAllLines(FILE_PATH);
         int lineNumber = 1;
         String replacedFileContents = "";
diff --git a/src/main/java/duke/task/TaskList.java b/src/main/java/duke/task/TaskList.java
index 193afc4bd..967e627f3 100644
--- a/src/main/java/duke/task/TaskList.java
+++ b/src/main/java/duke/task/TaskList.java
@@ -51,7 +51,8 @@ public static Task addTask(String userInput) throws DukeEmptyDescriptionExceptio
      * @throws DukeMissingTimeSeparator If time separators (e.g. '/at') for each task type is missing.
      * @throws DateTimeParseException If time could not be parsed properly.
      */
-    public static Task addTaskWithTime(String userInput, String stringSeparator) throws DukeEmptyDescriptionException, DukeMissingTimeSeparator, DateTimeParseException {
+    public static Task addTaskWithTime(String userInput, String stringSeparator) throws
+            DukeEmptyDescriptionException, DukeMissingTimeSeparator, DateTimeParseException {
         String extractedStringsWithoutCommandType = parser.validateAndExtractTaskDescription(userInput);
         if ((extractedStringsWithoutCommandType.split(stringSeparator).length) <= 1) {
             throw new DukeMissingTimeSeparator();
@@ -83,7 +84,8 @@ public static Task addTaskWithTime(String userInput, String stringSeparator) thr
      * @throws NumberFormatException If task number could not be parsed into an integer.
      * @throws DukeTaskOutOfRangeException If the task number supplied is less or more than the current task list.
      */
-    public static int markTask(boolean isMarked, String userInput) throws DukeEmptyDescriptionException, NumberFormatException, DukeTaskOutOfRangeException {
+    public static int markTask(boolean isMarked, String userInput) throws
+            DukeEmptyDescriptionException, NumberFormatException, DukeTaskOutOfRangeException {
         if ((userInput.split(" ")).length <= 1) {
             throw new DukeEmptyDescriptionException();
         }