import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
//员工信息类
//date类
public class test50 {private String name;private String sex;private Date birth;public void showme(){System.out.println(this.getName());System.out.println(this.getSex());// System.out.println(DateFormat.getDateInstance().format(this.getBirth()));//System.out.println(this.getBirth());SimpleDateFormat sdf=new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");String data=sdf.format(birth);System.out.println(data);}public void setName(String name) {this.name = name;}public String getName() {return name;}public void setSex(String sex) {this.sex = sex;}public String getSex() {return sex;}public void setBirth(Date birth) {this.birth = birth;}public Date getBirth(Date birth) {return this.birth;}
}

测试类

//arraylist集合类实现类
import java.util.ArrayList;
import java.util.Scanner;
public class test56 {public static void main(String[] args){Scanner in =new Scanner(System.in);ArrayList emps=new ArrayList();System.out.println("请输入三个员工的信息");//从控制台传输数据到list集合中for(int i=0;i<3;i++){test50 emp=new test50();System.out.println("请输入第"+(i+1)+"个的名字");System.out.println("输入姓名，回车继续");String name=in.next();emp.setName(name);System.out.println("输入性别，回车继续");String sex=in.next();emp.setSex(sex);emps.add(emp);}/* 遍历list对象 使用for循环遍历集合*/for(int i=0;i<emps.size();i++){Object obj=emps.get(i);//按照集合元素索引获取集合元素对象test50 emp=(test50)obj;//实现强制转换System.out.println(emp.getName()+"\t"+emp.getSex());}}
}

运行结果