Method setSns

ch2/User.java:46–48

(String[] sns)

		return sns;
	}
	public void setSns(String[] sns) {
		this.sns = sns;
	}
	@Override
	public String toString() {
		return "User [id=" + id + ", pwd=" + pwd + ", name=" + name + ", email=" + email + ", birth=" + birth + ", sns="