Update Readme.md and remove old version Duke.java

Author: KnitidCeladon23

docs/README.md

@@ -2,19 +2,161 @@
 
 ## Features 
 
-### Feature 1 
-Description of feature.
+### Add tasks (ToDos, Deadlines, Events)
+You can add 3 types of tasks to MyDuke:
+
+**ToDo** - General tasks with no specific deadline
+
+**Deadline** - Tasks with a specific do-by date and time
+
+**Event** - Matters to attend to at a specific date and time
+
+Number of tasks will be updated and shown upon each addition
+of tasks.
+
+### Show task list
+You can list all the tasks stored in MyDuke.
+
+### Mark tasks as done
+You can mark a task as done upon completion.
+
+### Search for tasks
+You can search (a) task(s) using keywords, MyDuke will show
+a list of all tasks matching the keyword.
+
+### Sort tasks by alphabetical order
+You can sort and reorder the tasks in alphabetical order.
+
+### Save task
+You can save the current tasks on MyDuke, which will be saved
+as a txt file that can be read the next time MyDuke is launched.
 
 ## Usage
 
-### `Keyword` - Describe action
+### `todo` - Add a new ToDo Task
 
-Describe action and its outcome.
+Adds a new ToDo Task to MyDuke.
+
+_input: todo [description]_
 
 Example of usage: 
 
-`keyword (optional arguments)`
+`todo play football`
+
+Expected outcome:
+
+`ok i just help u added this todo -- [T][ ] play football. now u got 1 item(s) in your list ah`
+
+### `Deadline` - Add a new Deadline Task
+Adds a new Deadline Task to MyDuke.
+
+_input: deadline [description] /by [YYYY-MM-DD]_
+
+Example of usage:
+
+`deadline CS1010S submission /by 2020-06-06`
+
+
+Expected outcome:
+
+`ok i just help u added this event -- [D][ ] CS1010S submission (JUN 06 2020)
+. now u got 2 item(s) in your list ah`
+
+### `Event` - Add a new Event Task
+Adds a new Event Task to MyDuke.
+
+_input: event [description] /by [YYYY-MM-DD]_
+
+Example of usage:
+
+`event Staraptor Birthday /by 2020-02-03`
+
+
+Expected outcome:
+
+`ok i just help u added this event -- [E][ ] Staraptor Birthday (FEB 03 2020)
+. now u got 3 item(s) in your list ah`
+
+### `list` - list all Tasks
+Adds a new Event Task to MyDuke.
+
+_input: event [description] /by [YYYY-MM-DD]_
+
+Example of usage:
+
+`list`
+
+Expected outcome:
+
+`1. [T][ ] play football`
+
+`2. [D][ ] CS1010S submission (JUN 06 2020)`
+
+`3. [E][ ] Staraptor Birthday (FEB 03 2020)`
+
+### `done` - mark a Task as done
+Marks the task at the specified index as done.
+
+_input: done [index]_
+
+Example of usage:
+
+`done 2`
+
+Expected outcome:
+
+`ok i just help u checked this task as done -- [D][X] CS1010S submission (JUN 06 2020)`
+
+### `delete` - delete a Task
+Deletes the task at the specified index as done.
+
+_input: delete [index]_
+
+Example of usage:
+
+`delete 1`
+
+Expected outcome:
+
+`ok i just help u deleted this task -- [T][ ] play football.`
+
+### `find` - find a Task using a keyword
+Finds and displays the task that matches the keyword (case-sensitive)
+
+_input: find [keyword]_
+
+Example of usage:
+
+`find Staraptor`
+
+Expected outcome:
+
+`dis is your search result for 'Staraptor'`
+
+`1. [E][ ] Staraptor Birthday (FEB 03 2020)`
+
+### `sort` - sort Task list by alphabetical order
+Sorts the list in alphabetical order. (Input list to view list after sorting)
+
+_input: sort_
+
+Example of usage:
+
+`sort`
+
+Expected outcome:
+
+`Ok can limpeh help u sort your list according to alphabetical order liao`
+
+### `bye` - Saves tasks to storage
+Saves all tasks in MyDuke to local storage. You may now close the app.
+
+_input: bye_
+
+Example of usage:
+
+`bye`
 
 Expected outcome:
 
-`outcome`
+`Leave so soon ah? Ok can limpeh help u save your list in [root]/data as saveFile.txt, i go sleep first`

saveFile.txt

@@ -1,5 +1,2 @@
-T @ 0 @ 123
-T @ 0 @ Aadgsadf
-T @ 0 @ caodihfsd
-T @ 0 @ fda8daf
-T @ 0 @ ughreugies
+D @ 1 @ CS1010S submission  @ 2020-06-06
+E @ 0 @ Staraptor Birthday  @ 2020-02-03