public String toString() { StringBuilder bb = new StringBuilder(); bb.append("userId:").append(this.userId).append(", "); bb.append("formationId:").append(this.formationId).append(", "); bb.append("placeIDArray2:").append(placeIDArray2.toString()).append(", "); bb.append("zhanli:").append(this.zhanli); return bb.toString(); }