Java：集合框架二（LinkerList）详解和代码示例

package com.jredu.oopch07;

public class News {

private String time;
private String title;
public News(String time,String title) {
super();
this.time = time;
this.title = title;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getTime() {
return time;
}
public void setTime(String time) {
this.time = time;
}

}

package com.jredu.oopch07;

import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;

public class Ch03 {

public static void main(String[] args) {
// TODO Auto-generated method stub
List list = new LinkedList<>();
News news1 = new News("2011-12-20", "三一重工续写神话");
News news2 = new News("2011-12-20", "陈希慰问三一工作者");
News news3 = new News("2011-12-20", "三一两项产品获评");
News news4 = new News("2011-12-20", "把企业做强为区域发展献力");
News news5 = new News("2011-12-20", "为成果而工作");
News news6 = new News("2011-12-20", "天津6s中心获“用户满意服务明星称号”");
//添加数据带集合
list.add(news1);
list.add(news2);
list.add(news3);
list.add(news4);
list.add(news5);
list.add(news6);

//在列表的首部添加数据
((LinkedList)list).addFirst(new News("", "新闻标题"));
//删除并返回列表中的最后一个元素
((LinkedList) list).removeLast();

//循环输出集合中的全部数据
for (int i = 0; i < list.size(); i++) {
News n = (News)list.get(i);
System.out.println(n.getTime());
System.out.println(n.getTitle());
}
}

}