class Message {

String content;

long timestamp;

int importanceScore;

public Message(String content, long timestamp, int importanceScore) {

智慧迎新系统

this.content = content;

this.timestamp = timestamp;

this.importanceScore = importanceScore;

}

public double getRankingFactor() {

// 计算综合得分

return (double) importanceScore / (System.currentTimeMillis() - timestamp);

}

}

]]>

import java.util.PriorityQueue;

public class MessageManager {

private PriorityQueue messageQueue;

public MessageManager() {

this.messageQueue = new PriorityQueue<>((m1, m2) -> Double.compare(m2.getRankingFactor(), m1.getRankingFactor()));

}

public void addMessage(Message message) {

messageQueue.add(message);

}

public Message getNextMessage() {

return messageQueue.poll();

}

}

]]>