JAVA 07-2 对象添加到集合 自定义4个学生对象,添加到集合,并遍历

标题 对象添加到集合

自定义4个学生对象,添加到集合,并遍历

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;
    }
}

import java.util.ArrayList;

public class Demo02ArrayListStudent {

    public static void main(String[] args) {
        //创建集合对象
        ArrayList<Student> list = new ArrayList<>();

        //创建学生对象
        Student s1 = new Student("赵一颖" , 20);
        Student s2 = new Student("赵二颖" , 21);
        Student s3 = new Student("赵三颖" , 22);
        Student s4 = new Student("赵四颖" , 23);

        //把学生对象作为元素添加到集合中
        list.add(s1);
        list.add(s2);
        list.add(s3);
        list.add(s4);

        //遍历集合
        for (int i = 0; i < list.size(); i++) {
            Student stu = list.get(i);
            System.out.println("姓名" + stu.getName() + ", 年龄: " + stu.getAge());
        }
    }
}