超实用 1 ArrayList 链表

 package ArrayList链表;
 import java.util.*;
 public class kk1 {

     /**
      * 作者：Mr.Fan
      * 功能:记住ArrayList链表
      */
     public static void main(String[] args) {
         // TODO Auto-generated method stub
         ArrayList al=new ArrayList();
         System.out.println("al大小："+al.size());
         Clerk clerk1=new Clerk("宋江",50,1000);
         Clerk clerk2=new Clerk("吴用",45,1200);
         Clerk clerk3=new Clerk("林冲",45,1400);
         al.add(clerk1);
         al.add(clerk2);
         al.add(clerk3);
         System.out.println("al大小："+al.size());
         for(int i=0;i<al.size();i++)
         {
             Clerk temp=(Clerk)al.get(i);//这里的i是指链表中的地址，指向
             System.out.println("名字="+temp.getName());
         }
         //删除一个对象
         al.remove(1);
         System.out.println("++++++++++++删除吴用++++++++++++++++++");
         for(int i=0;i<al.size();i++)
         {
             Clerk temp=(Clerk)al.get(i);//这里的i是指链表中的地址，指向
             System.out.println("名字="+temp.getName());
         }

     }

 }
 class Clerk
 {

     private String name;
     private int age;
     private float sal;
     public Clerk(String name,int age,float sal)
     {
         this.name=name;
         this.age=age;
         this.sal=sal;
     }
     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 float getSal() {
         return sal;
     }
     public void setSal(float sal) {
         this.sal = sal;
     }
 }