public abstract class PIMEntity {
    String Priority; // every kind of item has a priority
	static int nextid=0; // each entity has a unique id
	protected int id;

    // default constructor sets priority to "normal"
    PIMEntity() {
        Priority = "normal";
		id = nextid++;
    }

    // priority can be established via this constructor.
    PIMEntity(String priority) {
        Priority =  priority;
		id = nextid++;
    }

    // accessor method for getting the priority string
    public String getPriority() {
        return Priority;
    }

    // method that changes the priority string
    public void setPriority(String p) {
        Priority = p;
    }

    // This is actually already defined by the super class
    // Object, but redefined here as abstract to make sure
    // that derived classes actually implement it
    abstract public String toString();
}