1) 创建一个List,在List 中增加三个工人,基本信息如下:
姓名 年龄 工资
zhang3 18 3000
li4 25 3500
wang5 22 3200
2) 在li4 之前插入一个工人,信息为:姓名:zhao6,年龄:24,工资3300
3) 删除wang5 的信息
4) 利用for 循环遍历,打印List 中所有工人的信息
5) 利用迭代遍历
package com.Summer_0511.cn; import java.util.ArrayList; import java.util.List; class Employee{ private String name; private int age; private double sal; public Employee(String name, int age, double sal) { super(); this.name = name; this.age = age; this.sal = sal; } @Override public String toString() { return "Emplyee [name=" + name + ", age=" + age + ", sal=" + sal + "]"; } } public class Test07 { public static void main(String[] args) { Employee zhang3 = new Employee("张三", 22, 2000); Employee li4 = new Employee("李四", 33, 3000); Employee wang5 = new Employee("王五", 44, 10000); List<Employee> list = new ArrayList(); list.add(zhang3); list.add(li4); list.add(1, wang5); list.remove(wang5); for (Employee employee : list) { System.out.println(employee); } System.out.println("--------------"); list.iterator().forEachRemaining(System.out::println); } }