Question

java用arraylist写一个存员工的信息小程序

存储多个员工信息（工号姓名年龄入职时间），逐条打印所有员工姓名并输出员工个数

姓名年龄什么的都存进去 但是只取员工姓名

Answer 1

public class PersonTest {
private static List<Person> list = new ArrayList<Person>();
private static void initPerson(){
list.add(new Person("张三","男",27));
list.add(new Person("李四","男",28));
list.add(new Person("王五","男",24));
list.add(new Person("赵大","女",26));
list.add(new Person("周七","男",24));
list.add(new Person("何六","女",25));
}
public static void main(String[] args) {
initPerson();
System.out.println("员工人数为：" + list.size());
for (int i = 0; i < list.size(); i++) {
System.out.println(list.get(i).getName());
}
}
}
class Person{
private String name;
private String sex;
private int age;
public Person() {
super();
}
public Person(String name, String sex, int age) {
super();
this.name = name;
this.sex = sex;
this.age = age;
}
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;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
}