[Jia Juin] iP

src/main/java/Duke.java

@@ -1,22 +1,41 @@
-import java.util.Arrays;
+import java.util.ArrayList;
 import java.util.Scanner;
 
 public class Duke {
 
+    public static Task getTheTask(ArrayList<Task> List, int j)
+    {
+        return List.get(j);
+    }
+
+    public static void addTask(String description, ArrayList<Task> List)
+    {
+        Task t = new Task(description);
+        List.add(t);
+    }
+
+    public static void updateCommand(Task task, ArrayList<Task> List, int count)
+    {
+        List.set(count,task);
+    }
+
     public static void main(String[] args) {
         System.out.println("Hello ! I'm Duke\n");
         System.out.println("What can I do for you ? \n");
 
         String command;
-        int i = 0;
-        String[] list = new String[100];
+        ArrayList<Task> list = new ArrayList<>();
         Scanner in = new Scanner (System.in);
-        command = in.nextLine();
         String option_1 = "bye";
         String option_2 = "list";
+        String option_3 = "done";
 
         while (true)
         {
+            // cannot use in.nextLine() since it will treat (done (taskNumber)) as one string
+            // thus will not lead us to the done statement
+            command = in.next();
+
             if (command.equals(option_1))
             {
                 System.out.println("------------------------");
@@ -27,25 +46,45 @@ public static void main(String[] args) {
             else if (command.equals(option_2))
             {
                 System.out.println("------------------------");
-
-                for (int j = 0; j < i; j++)
+                int count = 1;
+                System.out.println(" Here are the tasks in your list: ");
+                for (Task t : list)
                 {
-                    System.out.print(j+1);
-                    System.out.print(". ");
-                    System.out.println(list[j]);
+                    System.out.print(count);
+                    System.out.print(".[");
+                    System.out.print(t.getStatusIcon());
+                    System.out.print("]");
+                    System.out.println(t.description);
+                    count++;
                 }
-
                 System.out.println("------------------------");
-                command = in.nextLine();
+            }
+            else if (command.equals(option_3))
+            {
+                int taskNumber = in.nextInt();
+                Task t = getTheTask(list,taskNumber-1);
+                t.markAsDone();
+                updateCommand(t,list,taskNumber-1);
+                System.out.println("------------------------------------------");
+                System.out.print("Nice! I've marked this task as done: [");
+                System.out.print(t.getStatusIcon());
+                System.out.print("]");
+                System.out.println(t.description);
+                System.out.println("------------------------------------------");
             }
             else
             {
-                list[i] = command;
-                System.out.println("------------------------");
-                System.out.println("Added: " + command);
-                System.out.println("------------------------");
-                i++;
-                command = in.nextLine();
+                // if there is no "done", "bye", "list" in the string
+                String splitter = in.nextLine();
+                // concat() method returns a String with the value of the String passed into the method,
+                // appended to the end of the String, used to invoke this method.
+                command = command.concat(splitter);
+                addTask(command,list);
+                Task newAddCommand = getTheTask(list, list.size()-1);
+                System.out.println("-------------------------------------");
+                System.out.print("Successfully added: ");
+                System.out.println(newAddCommand.description);
+                System.out.println("--------------------------------------");
             }
         }
 

src/main/java/Task.java

@@ -0,0 +1,29 @@
+public class Task {
+    protected String description;
+    protected boolean isDone;
+
+    public Task(String description) {
+        this.description = description;
+        this.isDone = false;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public boolean isDone() {
+        return isDone;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public void markAsDone() {
+        isDone = true;
+    }
+
+    public String getStatusIcon() {
+        return (isDone ? "\u2713" : "\u2718"); //return tick or X symbols
+    }
+}