package com.inmind.arraylist03; public class Student { String name; int age; String gender; public Student() { } public Student(String name, int age, String gender) { this.name = name; this.age = age; this.gender = gender; } public void showSelf(){ System.out.println("当前学生叫"+this.name+",年龄"+this.age+"岁,性别为"+this.gender); } }