Level 3

Completed Level 3. Mark as Done

Implement "todo" command from level 4 for use to add tasks with multiple words

src/main/java/Duke.java

@@ -13,24 +13,36 @@ public static void main(String[] args) {
         String startMessage = lineSpace + "Hello! I'm Duke\nWhat can I do for you?\n" + lineSpace;
         System.out.println(startMessage);
         Scanner sc = new Scanner(System.in);
-        ArrayList<String> list = new ArrayList();
+        ArrayList<Task> list = new ArrayList();
         while(sc.hasNext()){
-            String userInput = sc.nextLine();
-            if(userInput.equals("bye")){
+            String userCmd = sc.next();
+            if(userCmd.equals("bye")){
                 System.out.println(lineSpace + "Bye. Hope to see you again soon!\n" + lineSpace);
                 break;
             }
-            switch(userInput) {
+            switch(userCmd) {
                 case "list":
-                    System.out.print(lineSpace);
+                    System.out.println(lineSpace + "Here are the tasks in your list:");
                     for(int i=0; i < list.size(); i++){
-                        System.out.println(i+1 + ". " + list.get(i));
+                        System.out.println(i+1 + "." + list.get(i));
                     }
                     System.out.print(lineSpace);
                     break;
+                case "todo":
+                    String taskName = sc.nextLine();
+                    taskName = taskName.trim();
+                    list.add(new Task(taskName));
+                    System.out.println(lineSpace + "added: " + taskName + "\n" + lineSpace);
+                    break;
+                case "done":
+                    int taskNo = sc.nextInt();
+                    list.get(taskNo-1).markAsDone();
+                    System.out.println(lineSpace + "Nice! I've marked this task as done:\n"
+                            + list.get(taskNo-1) + "\n" + lineSpace);
+                    break;
                 default:
-                    list.add(userInput);
-                    System.out.println(lineSpace + "added: " + userInput + "\n" + lineSpace);
+                    list.add(new Task(userCmd));
+                    System.out.println(lineSpace + "added: " + userCmd + "\n" + lineSpace);
                 //Level-1 code
                 //System.out.println(lineSpace + "\n" + userInput + "\n" + lineSpace);
             }

src/main/java/Task.java

@@ -0,0 +1,27 @@
+public class Task {
+    protected String description;
+    protected boolean isDone;
+
+    public Task(String desc) {
+        this.description = desc;
+        this.isDone = false;
+    }
+
+    public String getStatusIcon() {
+        return (isDone ? "\u2713" : "\u2718"); //return tick or X symbols
+    }
+
+    public void markAsDone() {
+        isDone = true;
+    }
+
+    public String getTask(){
+        String output = "[" + getStatusIcon() + "] " + description;
+        return output;
+    }
+
+    @Override
+    public String toString(){
+        return getTask();
+    }
+}