Added Task class

src/tp03/Task.java

+package tp03.ex02;
+
+import java.time.LocalDate;
+
+public class Task {
+	private int taskID;
+	private LocalDate creationDate;
+	private LocalDate deadline;
+	private TaskStatus status;
+	private String description;
+	private int duration;
+
+	private static int counter = 0;
+
+	public Task(String description, int duration) {
+		this.taskID = Task.counter;
+		Task.counter++;
+
+		this.creationDate = LocalDate.now();
+		this.deadline = this.creationDate.plusDays(10);
+
+		this.duration = duration;
+		this.description = description;
+
+		this.status = TaskStatus.TODO;
+
+	}
+
+	public Task(String description, LocalDate creation, LocalDate deadline, int duration) {
+		this.taskID = Task.counter=
+		Task.counter++;
+
+		this.creationDate = creation;
+		this.deadline = deadline;
+
+		this.duration = duration;
+		this.description = description;
+
+		this.status = TaskStatus.TODO;
+	}
+
+	public String toString() {
+		return "T" + this.taskID + " = " + this.description + ":" + this.status + "(" + this.duration + "):" + this.deadline;
+	}
+
+	public void changeStatus(TaskStatus st) {
+		this.status = st;
+	}
+
+	public void changeStatus() {
+		for (int i = 0; i < TaskStatus.values().length; i++) {
+			if (TaskStatus.values()[i].equals(this.status)) {
+				// Use modulo to avoid errors
+				this.status = TaskStatus.values()[i+1 % TaskStatus.values().length];
+			}
+		}
+	}
+}
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