USING JAVA: Implement a simple e-mail messaging system. A message has a recipient, a sender, and a message text.  A mailbox can store messages. Supply a number of mailboxes for different users and a user interface for the user to login, send messages to other users, read their own messages, and log out.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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USING JAVA:

Implement a simple e-mail messaging system. A message has a recipient, a sender, and a message text.  A mailbox can store messages. Supply a number of mailboxes for different users and a user interface for the user to login, send messages to other users, read their own messages, and log out.

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Here below is the code for the given question in JAVA Programming Language:

 

Here is the Message class with recipient, sender, and message text as its fields.

public class Message {
    private String recipient;
    private String sender;
    private String messageText;

    public Message(String recipient, String sender, String messageText) {
        this.recipient = recipient;
        this.sender = sender;
        this.messageText = messageText;
    }

    public String getRecipient() {
        return recipient;
    }

    public String getSender() {
        return sender;
    }

    public String getMessageText() {
        return messageText;
    }
}

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