Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.model; import java.io.Serializable; import org.apache.commons.lang3.StringUtils; /** * * @author lprates */ public class User implements Serializable { private static final long serialVersionUID = 1L; private Integer id = 0; private String nome = StringUtils.EMPTY; private String endereco = StringUtils.EMPTY; private String telefone = StringUtils.EMPTY; public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getNome() { return nome; } public void setNome(String nome) { this.nome = nome; } public String getEndereco() { return endereco; } public void setEndereco(String endereco) { this.endereco = endereco; } public String getTelefone() { return telefone; } public void setTelefone(String telefone) { this.telefone = telefone; } @Override public boolean equals(Object other) { return (other instanceof User) && (id != null) ? id.equals(((User) other).id) : (other == this); } @Override public int hashCode() { return (id != null) ? (this.getClass().hashCode() + id.hashCode()) : super.hashCode(); } @Override public String toString() { return String.format("%s[id=%d]", getClass().getSimpleName(), id); } }