collection存储遍历

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.lps01;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;

/**
 * @author 1944900433@qq.com
 * @date 2022-03-17 13:21
 */
public class StudentDemo01 {
    public static void main(String[] args) {
        Collection<Student> c = new ArrayList<Student>();
        Student s1 = new Student("刘品金", 41);
        Student s2 = new Student("刘品木", 21);
        Student s3 = new Student("刘品水", 31);
        Student s4 = new Student("刘品火", 51);
        Student s5 = new Student("刘品土", 61);
        c.add(s1);
        c.add(s2);
        c.add(s3);
        c.add(s4);
        c.add(s5);
        Iterator<Student> ite = c.iterator();
        while (ite.hasNext()) {
            Student s = ite.next();
            System.out.println(s.getName() + "," + s.getAge());
        }
    }
}