usernamealreadyexistexception.java

这段代码是用struts实现的客户管理系统

package com.tarena.action;

public class UserNameAlreadyExistException extends Exception {

	private static final long serialVersionUID = -1632747000016348488L;

	public UserNameAlreadyExistException() {
	}

	public UserNameAlreadyExistException(String messsage) {
		super(messsage);
	}

	public UserNameAlreadyExistException(Throwable t) {
		super(t);
	}

	public UserNameAlreadyExistException(String message, Throwable t) {
		super(message, t);
	}
}