前一篇的学生类

package pxyhomeworkday10;

import java.io.Serializable;

public class Student implements Serializable{
 String name;
 String gender;
 int age;
 public Student(String name, String gender, int age) {
  super();
  this.name = name;
  this.gender = gender;
  this.age = age;
 }
 
 public Student() {
  
 }

 public String getName() {
  return name;
 }

 public void setName(String name) {
  this.name = name;
 }

 public String getGender() {
  return gender;
 }

 public void setGender(String gender) {
  this.gender = gender;
 }

 public int getAge() {
  return age;
 }

 public void setAge(int age) {
  this.age = age;
 }

 @Override
 public String toString() {
  return "Student [name=" + name + ", gender=" + gender + ", age=" + age + "]";
 }

 @Override
 public int hashCode() {
  final int prime = 31;
  int result = 1;
  result = prime * result + age;
  result = prime * result + ((gender == null) ? 0 : gender.hashCode());
  result = prime * result + ((name == null) ? 0 : name.hashCode());
  return result;
 }

 @Override
 public boolean equals(Object obj) {
  if (this == obj)
   return true;
  if (obj == null)
   return false;
  if (getClass() != obj.getClass())
   return false;
  Student other = (Student) obj;
  if (age != other.age)
   return false;
  if (gender == null) {
   if (other.gender != null)
    return false;
  } else if (!gender.equals(other.gender))
   return false;
  if (name == null) {
   if (other.name != null)
    return false;
  } else if (!name.equals(other.name))
   return false;
  return true;
 }
 
 
 
 
 
 
}