更新ArrayList项目的特定属性

import java.util.ArrayList;

public class Main {
    public static void main(String[] args) {
        // 创建一个存储Person对象的ArrayList
        ArrayList<Person> personList = new ArrayList<>();

        // 添加一些Person对象到ArrayList中
        personList.add(new Person("Alice", 25));
        personList.add(new Person("Bob", 30));
        personList.add(new Person("Charlie", 35));

        // 遍历ArrayList，找到需要更新属性的元素
        for (Person person : personList) {
            if (person.getName().equals("Bob")) {
                // 更新特定属性
                person.setAge(32);
            }
        }

        // 打印更新后的ArrayList
        for (Person person : personList) {
            System.out.println(person.getName() + " - " + person.getAge());
        }
    }
}

class Person {
    private String name;
    private int age;

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

    public String getName() {
        return name;
    }

    public int getAge() {
        return age;
    }

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