这一段java实体类 包含 姓名 年龄 籍贯 性别字段

public class Person {
    private String name;
    private int age;
    private String hometown;
    private String gender;

    public Person(String name, int age, String hometown, String gender) {
        this.name = name;
        this.age = age;
        this.hometown = hometown;
        this.gender = gender;
    }

    public String getName() {
        return name;
    }

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

    public int getAge() {
        return age;
    }

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

    public String getHometown() {
        return hometown;
    }

    public void setHometown(String hometown) {
        this.hometown = hometown;
    }

    public String getGender() {
        return gender;
    }

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

以上是一个Java实体类，包含了姓名、年龄、籍贯、性别四个字段，并提供了相应的getter和setter方法。