Client.java

package Chat;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.Socket;
import java.util.Scanner;

public class Client extends Thread {
	private String ip;
	private int port;
	private Socket socket;
	private String nome;
	
	public Client(String ip, int port, String nome) {
		this.ip = ip;
		this.port = port;
		this.nome = nome;
		
		try {
			this.socket = new Socket(ip, port);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	
	public void run() {
		try {
			DataInputStream in = new DataInputStream(this.socket.getInputStream());
			DataOutputStream out = new DataOutputStream(this.socket.getOutputStream());
			
			// Enquanto estiver conectado
			while(this.socket.isConnected()) {
				System.out.println(String.format("[%s] Envie uma msg: ", this.nome));
				Scanner teclado = new Scanner(System.in);
				
				// Enviando mensagem
				out.writeUTF(String.format("[%s]: %s", this.nome, teclado.nextLine()));
			}
			
		} catch (IOException e) {}
	}

	public Socket getSocket() {
		return this.socket;
	}

	
	public static void main(String[] args) throws IOException {
		Client cliente1 = new Client("localhost", 7171, "Joffily");
		cliente1.start();
		
		Socket socket = cliente1.getSocket();
		
		while(socket.isConnected()) {
			// Recebendo uma mensagem
			DataInputStream in = new DataInputStream(socket.getInputStream());
			System.out.println(in.readUTF());
		}
	}
}