JavaSE-14.1.4【案例-Collection集合存储学生对象并遍历】

package day5.lesson1;

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

/*
1.5 案例-Collection集合存储学生对象并遍历
    创建一个存储学生对象的集合，存储3个学生对象，使用程序实现在控制台遍历该集合
 */
public class CollectionDemo4 {
    public static void main(String[] args) {
        Collection<Student> collection = new ArrayList<>();

        Student s1 = new Student("tom", 12);
        Student s2 = new Student("amy", 11);
        Student s3 = new Student("sam", 12);

        collection.add(s1);
        collection.add(s2);
        collection.add(s3);

        Iterator<Student> it = collection.iterator();
        while (it.hasNext()){
            Student stu = it.next();
            System.out.println(stu.getName() + "," + stu.getAge());
        }
    }
}

　　

package day5.lesson1;

public class Student {

    private String name;
    private int age;

    public Student() {
    }

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

    public void setName(String name) {
        this.name = name;
    }

    public void setAge(int age) {
        this.age = age;
    }

    public String getName() {
        return name;
    }

    public int getAge() {
        return age;
    }
}