package com.demo; import java.sql.Timestamp; public class ChatMessage { private String username; private String message; private Timestamp timestamp; public ChatMessage(String username, String message, Timestamp timestamp) { this.username = username; this.message = message; this.timestamp = timestamp; } public String getUsername() { return username; } public String getMessage() { return message; } public Timestamp getTimestamp() { return timestamp; } @Override public String toString() { return String.format("[%s] %s: %s", timestamp.toString().substring(11, 19), username, message); } }