package cai;

import java.util.LinkedList;

class Studentinfo {
    private String name;
    private int age;

    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 Studentinfo(String name, int age) {
        super();
        this.name = name;
        this.age = age;
    }

    public Studentinfo() {
    }

}

public class Test {
    public static void main(String[] args) {
        // 添加student对象进list里面
        LinkedList list = new LinkedList();
        Studentinfo si1 = new Studentinfo("张三", 19);
        Studentinfo si2 = new Studentinfo("李四", 18);
        Studentinfo si3 = new Studentinfo("王五", 20);
        list.add(si1);
        list.add(si2);
        list.add(si3);
        // 添加end
        // 删除集合里面student对象name为李四的元素
        for (int i = list.size() - 1; i > 0; i--) {
            Studentinfo si = (Studentinfo) list.get(i);
            if (si.getName().equals("张三")) {
                list.remove(si);
            }
            System.out.println(si.getName() + "\t\t" + si.getAge());
            System.out.println(list.size());
        }

    }
}

------解决方案--------------------
for (int i = 0; i < list.size(); i++) 当你remove时list.size()会变小

所以记得 if(si.getName().equals("李四")){
list.remove(si);
加一句 i--；
}