PCPrincipal is a task storing management system with marking/unmarking featurefor all tasks.
java -jar PCPrincipal-v3.0.jarNote:
data/duke.txt file created where you store PCPrincipal to store all tasks in the task list.Note:
Deadline and Event must be in this format: DD/MM/YYYY HHmm. E.g: 1/1/2020 2359Deadline and Event) have a unique date. I.e. no two tasks should have the same date.Help: Displays all commandsExpected outcome:

Todo <Task name>: Add a Todo<Task name> into the task list.Todo Buy PencilExpected outcome:

Deadline <Task name> /by DD/MM/YYYY HHmm: Adds a deadline<Task name> with the deadline DD/MM/YYYY HHmm into the list.deadline IP Task /by 18/2/2022 2359Expected outcome:

Event <Task name> /at DD/MM/YYYY HH mm: Adds an event<Task name> with the event date DD/MM/YYYY HHmm into the list.event CS2103 Practical /at 16/4/2022 2359Expected outcome:

List: Shows all the taskExpected outcome:

Mark <index number>: Marks tasksindex number of the task list.mark 2Initial Outcome:

Expected Outcome:


Unmark <index number>: Unmarks tasksindex number of the task list.Unmark 2Initial Outcome:

Expected Outcome:


Find <Keyword>: Finds all tasks with the keywordkeyword.Find CS2103Expected Outcome:

Deletes <index number>: Deletes tasksindex number of the task list.Delete 2Initial Outcome:


Expected Outcome:
Bye: Exits PCPrincipalPCPrincipal will exit.