Tuple.java

import java.io.Serializable;
import java.util.Vector;

public class Tuple implements Serializable {
    private Vector<Object> data = new Vector<Object>();

    public Tuple(Vector<Object> data) {
        this.data = data;
    }
    public Tuple(){

    }

    public String toString() {
        String x = "";
        for (int i = 0; i < data.size() - 1; i++) {
            x = x + data.get(i) + ",";
        }
        x = x + data.get(data.size() - 1);
        return x;
    }

    public Vector<Object> getData() {
        return data;
    }

    public boolean compareTo(Tuple t) {
        if (t.data.size() != data.size())
            return false;
        for (int i = 0; i < data.size() - 1; i++) {
            if (!(t.data.get(i).equals(data.get(i)))) {
                return false;
            }
        }
        return true;
    }
}