cours_poo/TD1-5/Logline.java

import java.util.*;

public class Logline {
    protected Date d;
    private String msg;
    protected Robot r,tier;

    public Logline(Date d, String msg, Robot self, Robot tier) {
        this.d = d;
        this.msg = msg;
        this.r = self;
        this.tier = tier;
    }

    @Override public String toString() {
        if (tier != null) 
            return "[" + d.toString() + "](" + r + ", " + tier + ") " + msg + "\n";
        else
            return "[" + d.toString() + "](" + r + ") " + msg + "\n";
    }
}