简单的新闻播报

最新推荐文章于 2025-12-18 10:35:07 发布

原创最新推荐文章于 2025-12-18 10:35:07 发布 · 396 阅读

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package com.Melirn.Test;
/**
 * @author:Melirn
 * @e-mail:2227287556@qq.com
 * @date:2021.5.13
 */
public class NewTitle {
    private  int id ;
    private String titleName;
    private String creater;

    public NewTitle(int id, String titleName, String creater) {
        this.id = id;
        this.titleName = titleName;
        this.creater = creater;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getTitleName() {
        return titleName;
    }

    public void setTitleName(String titleName) {
        this.titleName = titleName;
    }

    public String getCreater() {
        return creater;
    }

    public void setCreater(String creater) {
        this.creater = creater;
    }
}

package com.Melirn.Test;
/**
 * @author:Melirn
 * @e-mail:2227287556@qq.com
 * @date:2021.5.13
 */
import java.util.ArrayList;
import java.util.List;

public class NewTitleTest {
    public static void main(String[] args) {
        NewTitle car = new NewTitle(1, "汽车", "梦聆");
        NewTitle computer = new NewTitle(2, "ROG", "梦聆");
        List newsTitlelist = new ArrayList();
        newsTitlelist.add(car);
        newsTitlelist.add(computer);
        System.out.println("新闻条数是" + newsTitlelist.size() + "条");
        System.out.println("第一种遍历ArrayList");
        for (int i = 0; i < newsTitlelist.size(); i++) {
            NewTitle title = (NewTitle) newsTitlelist.get(i);
            System.out.println(i + 1 +":" + title.getTitleName());
        }
        System.out.println("第二种遍历ArrayList");
        for (Object obj : newsTitlelist) {
            NewTitle newTitle = (NewTitle) obj;
            System.out.println(newTitle.getTitleName());
        }
        System.out.println("第三种遍历ArrayList");
        newsTitlelist.forEach(obj -> {
                    NewTitle newTitle = (NewTitle) obj;
                    System.out.println(newTitle.getTitleName());
                }
        );
    }
}