duplicatekeyexception.java

一个可以发表文章的程序.该程序框架是j2ee框架.

package com.jsfabc.jsh.model.exception;

public class DuplicateKeyException extends UserException{
  private String userName;

  public DuplicateKeyException(String newUsername) {
    super("Username " + newUsername + " already exist");
    this.userName = newUsername;
  }

  public String getUsername() {
    return this.userName;
  }

}