OOP Lab Task 1
De la WikiLabs
Required Tutorials
- The Object Oriented Paradigm; Classes and Objects
- Notions About the Java Language
- Writing and Executing a Java Program
- Java Syntax; A Program's Lexical Structure
- Java Coding Conventions
Requirements
- Write a class Message that will be used as a data carrier between a chat client and all the other clients connected to a server. This class needs to:
- Store the name of the sender and a message content.
- Be immutable (once an object of this type is created, its contents can't be changed).
- Allow reading of the sender and content information from the Message objects in a way specific to chat programs: "sender: contents". This must be done with only one method call.
- Write an executable class called Main, which should contain only the main method, which must instantiate at least three objects of type Message and display their formatted string on the screen.
Notes:
- Each class and class member must have one of the two access modifiers public or private.
- The names of the classes must be identical to the ones specified above.
Submitting:
- The assignment is submitted attaching the Java source code files exclusively to an e-mail sent to radu.hobincu@upb.ro.
- The subject of the e-mail will be [POO_1]
- The body of the e-mail will contain the name and group of the student and any additional command you want to make.
- Attention Any deviation from these instructions may lead to the loss of the entire amount of points.
