java beans 的设计原则
1 公有的类
2 共有不带参数构造方法
3 私有属性
4 属性setter/getter方法
Studnet类：
package com.ddwei.student;
import java.util.Date;
public class Student {
// java beans 的设计原则 /** * 1 公有的类 2 共有不带参数构造方法 3 私有属性 4 属性setter/getter方法 */
private int pid;// 学号 private String name;// 姓名 private String sex;// 性别 private Date birthday;// 出生日期 private String address;// 家庭地址
public Student() {
}
public Student(int pid, String name, String sex, Date birthday, String address) { // super(); this.pid = pid; this.name = name; this.sex = sex; this.birthday = birthday; this.address = address; }
@Override public String toString() { return "Student [pid=" + pid + ", name=" + name + ", sex=" + sex + ", birthday=" + birthday + ", address=" + address + "]"; }
public int getPid() { return pid; }
public void setPid(int pid) { this.pid = pid; }
public Date getBirthday() { return birthday; }
public void setBirthday(Date birthday) { this.birthday = birthday; }
public String getAddress() { return address; }
public void setAddress(String address) { this.address = address; }
public String getName() { return name; }
public void setName(String name) { this.name = name; }
public String getSex() { return sex; }
public void setSex(String sex) { this.sex = sex; }
}