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.

In java, implement a simple email 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. Given the code I have so far, what needs to be added? class Message { private String sender; private String recipient; private String messageText; public Message(String sender, String recipient) { this.sender = sender; this.recipient = recipient; this.messageText = " "; } public void append(String text) { this.messageText += text; } public String toString() { return "From: " + sender + " To: " + recipient + "\n" + this.messageText; } } class Mailbox { private ArrayList<Message> email; public Mailbox() { this.email = new ArrayList<Message>(); } public Message...

Write a program to test the class LinkedBag. For example create a bag by asking the user for few names then 1.Put those names in the bag. 2. ask the user for a name and delete it from the bag. 3. ask for a name and check whether it is in the bag or not 4. print all names in the bag. Hello! I'll appreciate a simple easy program with comments explaining the steps. Thanks for the help!

Write a JAVA program that uses a timer to print the current time once a second. Hint: The following code prints the current time Date now = new Date(); System.out.println(now); The Date class is in the Java.util package.

java Write an interface for Animal. We will say that every Animal will make a sound and will also be able to give its type.

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 users to log insend messages to other users, read their own messages, and log out. Follow the design process that was described in this chapter . Solve by Java

in Java. Bank simulation only

Write Java class Message that automatically gives each created Message object a unique serial number, starting at 1 for the first message. (Hint: static)

Implement the following in the .NET Console App. Write the Bus class. A Bus has a length, a color, and a number of wheels. a. Implement data fields using auto-implemented Properies b. Include 3 constructors: default, the one that receives the Bus length, color and a number of wheels as input (utilize the Properties) and the Constructor that takes the Bus number (an integer) as input.

write an applet in java that creates a black colored filled rectangle on screen. inside this rectangle the word "GO" with Calibri font and size 18, bold face needs to be printed. Justify your syntax.

write a Java program that generates an isosceles triangle made of asterisks. The programshould prompt the user to specify the size of the triangle. Make sure variable names areappropriate, and make sure there are comments for the weird variables like sideSize. Use goodstyle.Sample session:Enter the size of the equal sides in an isosceles triangle: 6**** ** ** ** * * * *

Write a Java program that generates an isosceles triangle made of asterisks. The programshould prompt the user to specify the size of the triangle. Make sure variable names areappropriate, and make sure there are comments for the weird variables like sideSize. Use goodstyle.Sample session:Enter the size of the equal sides in an isosceles triangle: 6**** ** ** *******