java实体类怎么写 _实体类

1.java的实体类应该怎么写,给个例子public class BillLattice {
private String lcode； //开票网点编码
private String lname； //开票网点名称
private String tid； //纳税人识别号
private String brand； //税控设备品牌
private String model； //税控设备型号
private String fcode； //税控设备编码
public BillLattice(String lcode, String lname, String tid, String brand, String model, String fcode) {
super();
this.lcode = lcode;
this.lname = lname;
this.tid = tid;
this.brand = brand;
this.model = model;
this.fcode = fcode;
}
public BillLattice() {
super();
}
public String getLcode() {
return lcode;
}
public void setLcode(String lcode) {
this.lcode = lcode;
}
public String getLname() {
return lname;
}
public void setLname(String lname) {
this.lname = lname;
}
public String getTid() {
return tid;
}
public void setTid(String tid) {
this.tid = tid;
}
public String getBrand() {
return brand;
}
public void setBrand(String brand) {
this.brand = brand;
}
public String getModel() {
return model;
}
public void setModel(String model) {
this.model = model;
}
public String getFcode() {
return fcode;
}
public void setFcode(String fcode) {
this.fcode = fcode;
}
}
2.帮我用java写个实体类啊import java.util.Date;
public class PersonalMember {
private int id;
private String name;
private String password;
private int gender;
private String email;
private String telephone;
private String fax;
private String postalCode ;
private Date lastLoginTime;
private Date registerDate;
public PersonalMember()
{
}
public int getid()
{return id;}
public String getname()
{return name;}
public String getpassword()
{return password;}
public int getgender()
{return gender;}
public String getemail()
{return email;}
public String gettelephone()
{return telephone;}
public String getfax()
{return fax;}
public String getpostalCode()
{return postalCode;}
public Date getlastLoginTime()
{return registerDate;}
public Date getregisterDate()
{return registerDate;}
public void setid(int id)
{this.id=id;}
public void setname(String name)
{this.name =name;}
public void setpassword(String password)
{this.password=password;}
public void setgender(int gender)
{this.gender =gender;}
public void setemail(String email)
{this.email=email;}
public void settelephone(String telephone)
{this.telephone=telephone;}
public void setfax(String fax)
{this.fax=fax;}
public void setpostalCode(String postalCode)
{this.postalCode=postalCode;}
public void setlastLoginTime(Date registerDate)
{this.registerDate=registerDate;}
public void setregisterDate(Date registerDate)
{this.registerDate=registerDate;}
}
3.谁能帮我写下java实体类@[email protected](name = "t_book")public class Book implements Serializable{ private static final long serialVersionUID = -2738902322135434977L; @GenericGenerator(name = "generator", strategy = "uuid") @Id @GeneratedValue(generator = "generator") @Column(name = "uuid", unique = true, nullable = false, length = 32) private String uuid; @Column(name = "t_type) private int type; @Column(name = "t_Name", length =30) private String name; @Column(name = "t_Author", length = 30) private String naAuthor；自己生成get set 方法。
4.谁能帮我写下java实体类@Entity
@Table(name = "t_book")
public class Book implements Serializable{