Implement level 8

src/main/java/Deadline.java

@@ -1,12 +1,17 @@
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+
 public class Deadline extends Task {
-    String deadline;
+    private final static DateTimeFormatter formatter = DateTimeFormatter.ofPattern("MMM dd yyyy");
+    LocalDate deadline;
+
     public Deadline(String description) {
         super(description.split(" /by ")[0]);
-        this.deadline = description.split(" /by ")[1];
+        this.deadline = LocalDate.parse(description.split(" /by ")[1]);
     }
 
     @Override
     public String toString() {
-        return "[D][" + super.getStatusIcon() + "] " + super.description + " (by: " + this.deadline + ")";
+        return "[D][" + super.getStatusIcon() + "] " + super.description + " (by: " + this.deadline.format(formatter) + ")";
     }
 }

src/main/java/Duke.java

@@ -39,9 +39,9 @@ public static void main(String[] args) {
         System.out.println("How to add tasks to the list:");
         System.out.println("ToDo - type 'todo' followed by the description");
         System.out.println("Deadline - type 'deadline' followed by the description," +
-                "then '/by', then due date");
+                "then '/by', then due date in yyyy-MM-dd format");
         System.out.println("Event - type 'event' followed by the description, " +
-                "then '/at', then timing");
+                "then '/at', then timing in yyyy-MM-dd format");
         System.out.println("Type 'done' followed by the task number " +
                 "and I'll mark it as done");
         System.out.println("Type 'list' to see the list");

src/main/java/Event.java

@@ -1,12 +1,17 @@
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+
 public class Event extends Task {
-    String eventTime;
+    private final static DateTimeFormatter formatter = DateTimeFormatter.ofPattern("MMM dd yyyy");
+    LocalDate eventTime;
+
     public Event(String description) {
         super(description.split(" /at ")[0]);
-        this.eventTime = description.split(" /at ")[1];
+        this.eventTime = LocalDate.parse(description.split(" /at ")[1]);
     }
 
     @Override
     public String toString() {
-        return "[E][" + super.getStatusIcon() + "] " + super.description + " (at: " + this.eventTime + ")";
+        return "[E][" + super.getStatusIcon() + "] " + super.description + " (at: " + this.eventTime.format(formatter) + ")";
     }
 }

text-ui-test/EXPECTED.TXT

@@ -2,31 +2,31 @@ Hello, I'm Duke
 I can help you keep track of all your tasks! ☆*:.｡.o(≧▽≦)o.｡.:*☆
 How to add tasks to the list:
 ToDo - type 'todo' followed by the description
-Deadline - type 'deadline' followed by the description,then '/by', then due date
-Event - type 'event' followed by the description, then '/at', then timing
+Deadline - type 'deadline' followed by the description,then '/by', then due date in yyyy-MM-dd format
+Event - type 'event' followed by the description, then '/at', then timing in yyyy-MM-dd format
 Type 'done' followed by the task number and I'll mark it as done
 Type 'list' to see the list
 Type 'bye' to exit
 List is empty
 Added: [T][✘] borrow book
 Total tasks: 1
-Added: [D][✘] return book (by: Sunday)
+Added: [D][✘] return book (by: Aug 25 2020)
 Total tasks: 2
-Added: [E][✘] project meeting (at: Mon 2-4pm)
+Added: [E][✘] project meeting (at: Aug 26 2020)
 Total tasks: 3
 Items in list:
 1. [T][✘] borrow book
-2. [D][✘] return book (by: Sunday)
-3. [E][✘] project meeting (at: Mon 2-4pm)
+2. [D][✘] return book (by: Aug 25 2020)
+3. [E][✘] project meeting (at: Aug 26 2020)
 Task marked complete:
 [T][✓] borrow book
 Items in list:
 1. [T][✓] borrow book
-2. [D][✘] return book (by: Sunday)
-3. [E][✘] project meeting (at: Mon 2-4pm)
+2. [D][✘] return book (by: Aug 25 2020)
+3. [E][✘] project meeting (at: Aug 26 2020)
 Task deleted:
 [T][✓] borrow book
 Items in list:
-1. [D][✘] return book (by: Sunday)
-2. [E][✘] project meeting (at: Mon 2-4pm)
+1. [D][✘] return book (by: Aug 25 2020)
+2. [E][✘] project meeting (at: Aug 26 2020)
 Bye! :>

text-ui-test/input.txt

@@ -1,7 +1,7 @@
 list
 todo borrow book
-deadline return book /by Sunday
-event project meeting /at Mon 2-4pm
+deadline return book /by 2020-08-25
+event project meeting /at 2020-08-26
 list
 done 1
 list