Finalize code

Author: Hzxin

data/Duke.txt

@@ -1,2 +0,0 @@
-1@@X@@a 2103 individual project
-3@@ @@Chinese New Year@@Feb 11 2021

data/Statistics.txt

@@ -0,0 +1,5 @@
+Task history: 
+1
+[T][ ] project
+2
+[T][ ] project

src/main/java/duke/command/AddCommand.java

@@ -17,7 +17,7 @@ public class AddCommand extends Command {
      * Creates a AddCommand object for execution.
      *
      * @param instruction user instruction.
-     * @param task task name of the user in String.
+     * @param task content of the user task.
      * @param date date of the user task to be done.
      */
     public AddCommand(String instruction, String task, String date) {
@@ -35,10 +35,12 @@ public AddCommand(String instruction, String task, String date) {
     /**
      * This method handles todo instruction and creates a Todo task.
      *
-     * @param task name of the user task.
+     * @param task content of the user task.
      */
     private static String handleToDo(String task) {
         Todo todo = new Todo(task);
+
+        // Update the task list and statistics with the new task.
         TaskList.addTask(todo);
         Statistics.updateStatistics(todo);
         return Ui.createAddResponse(todo);
@@ -47,10 +49,12 @@ private static String handleToDo(String task) {
     /**
      * This method handles deadline instruction and creates a Deadline task.
      *
-     * @param task name of the user task.
+     * @param task content of the user task.
      */
     private static String handleDeadline(String task, String date) {
         Deadline deadlines = new Deadline(task, date);
+
+        // Update the task list and statistics with the new task.
         TaskList.addTask(deadlines);
         Statistics.updateStatistics(deadlines);
         return Ui.createAddResponse(deadlines);
@@ -59,10 +63,12 @@ private static String handleDeadline(String task, String date) {
     /**
      * This method handles event instruction and creates a Event task.
      *
-     * @param task name of the user task.
+     * @param task content of the user task.
      */
     private static String handleEvent(String task, String date) {
         Event event = new Event(task, date);
+
+        // Update the task list and statistics with the new task.
         TaskList.addTask(event);
         Statistics.updateStatistics(event);
         return Ui.createAddResponse(event);

src/main/java/duke/command/Command.java

@@ -16,7 +16,7 @@ public abstract class Command {
      * Creates a command with user instruction, task, date and a function to execute the instruction.
      *
      * @param instruction user instruction.
-     * @param task user task.
+     * @param task content of user task.
      * @param date date of the task.
      * @param func the function takes a command to execute and returns a response String.
      */

src/main/java/duke/command/DeleteCommand.java

@@ -1,16 +1,12 @@
 package duke.command;
 
-
-
 import duke.task.TaskList;
 import duke.ui.ErrorBox;
 import duke.ui.Ui;
 
-
 /**
  * Sub-class of command that only represents and executes a delete instruction of a user.
  */
-
 public class DeleteCommand extends Command {
     private static final String NO_DATE = "";
 

src/main/java/duke/command/DoneCommand.java

@@ -1,11 +1,9 @@
 package duke.command;
 
-
 import duke.task.TaskList;
 import duke.ui.ErrorBox;
 import duke.ui.Ui;
 
-
 /**
  * Sub-class of Command that represents and executes the done instruction of user.
  */
@@ -14,7 +12,7 @@ public class DoneCommand extends Command {
 
     /**
      * Creates a DoneCommand object with the given task.
-     * @param task user task.
+     * @param task content of user task.
      */
     public DoneCommand(String task) {
         super("done", task, NO_DATE, false, command -> handleDone(task));

src/main/java/duke/command/ErrorCommand.java

@@ -1,6 +1,5 @@
 package duke.command;
 
-
 import duke.ui.Ui;
 
 /**

src/main/java/duke/command/ExitCommand.java

@@ -1,6 +1,5 @@
 package duke.command;
 
-
 import duke.ui.Ui;
 
 /**

src/main/java/duke/command/ListCommand.java

@@ -1,7 +1,5 @@
 package duke.command;
 
-
-
 import duke.task.TaskList;
 
 /**

src/main/java/duke/exceptions/DukeException.java

@@ -1,8 +1,5 @@
 package duke.exceptions;
 
-
-
-
 /**
  * A class that stores all the possible display of errorsException in Duke.
  */