package com.jdbernard.nlsongs.model public class Song implements Serializable { int id String name List artists @Override public boolean equals(Object thatObj) { if (thatObj == null) return false if (!(thatObj instanceof Song)) return false Song that = (Song) thatObj return (this.id == that.id && this.name == that.name && this.artists == that.artists) } @Override public String toString() { return "$id: $name ($artists)" } }