List三种遍历集合方式

package com.czie.iot1913.lps.List;

/**
 * @author 1944900433@qq.com
 * @date 2022-03-17 14:05
 */
public class Student {
    private String name;
    private int age;

    public Student() {
    }

    public Student(String name, int age) {
        this.name = name;
        this.age = 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;
    }
}  

package com.czie.iot1913.lps.List;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

/**
 * @author 1944900433@qq.com
 * @date 2022-03-17 17:29
 */
public class StudentListTest {
    public static void main(String[] args) {
        Student s1 = new Student("刘品水",21);
        Student s2 = new Student("刘吕水",22);
        Student s3 = new Student("刘口水",23);
        List<Student> list = new ArrayList<Student>();
        list.add(s1);
        list.add(s2);
        list.add(s3);
        //增强for遍历
        for (Student s01:list){
            System.out.println(s01.getName()+","+s01.getAge());
        }
        System.out.println("=======");
        //Iterator遍历
        Iterator<Student> it = list.iterator();
        while (it.hasNext()){
            Student s02=it.next();
            System.out.println(s02.getName()+","+s02.getAge());
        }
        System.out.println("=======");
        //for循环遍历
        for (int i = 0; i < list.size(); i++) {
            System.out.println(list.get(i).getName()+","+list.get(i).getAge());
        }

　　System.out.println("===============");
　　LinkedList<Object> linkedlist = new LinkedList<>();
　　linkedlist.add("hello");
　　linkedlist.add("java");
　　linkedlist.add("mysql");
　　for (Object c:linkedlist){
　　    System.out.println(c);
　　}
　　System.out.println("======");
　　Iterator<Object> ite = linkedlist.iterator();
　　while (ite.hasNext()){
 　　   Object s01 = ite.next();
　　    System.out.println(s01);
　　}
　　System.out.println("=======");
　　for (int i = 0; i < linkedlist.size(); i++) {
　　    Object o = linkedlist.get(i);
  　　  System.out.println(o);
　　
　　}

    }
}