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<blockquote data-quote="tery123" data-source="post: 20809697" data-attributes="member: 343391">[PHP]import java.io.*;import java.net.*;import java.awt.*;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.*;import javax.xml.ws.handler.MessageContext;public class client extends JFrame {&nbsp; &nbsp; &nbsp; &nbsp; private JTextField userText;&nbsp; &nbsp; private JTextArea chatWindow;&nbsp; &nbsp; private ObjectOutput output;&nbsp; &nbsp; private ObjectInputStream input;&nbsp; &nbsp; private String message= &quot;&quot;;&nbsp; &nbsp; private String serverIp;&nbsp; &nbsp; private Socket connection;&nbsp; &nbsp; &nbsp; &nbsp; //constructor&nbsp; &nbsp; &nbsp; &nbsp; public client(String host){&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; super(&quot;CLINENT MOFO !!!!&quot;);&nbsp; &nbsp; &nbsp; &nbsp; serverIp = host;&nbsp; &nbsp; &nbsp; &nbsp; userText.setEditable(false);&nbsp; &nbsp; &nbsp; &nbsp; userText.addActionListener(&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; new ActionListener() {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; @Override&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; public void actionPerformed(ActionEvent event) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // TODO Auto-generated method stub&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; sendMessage(event.getActionCommand());&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; userText.setText(&quot;&quot;);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; );&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; add(userText,BorderLayout.NORTH);&nbsp; &nbsp; &nbsp; &nbsp; chatWindow = new JTextArea();&nbsp; &nbsp; &nbsp; &nbsp; add(new JScrollPane(chatWindow),BorderLayout.CENTER);&nbsp; &nbsp; &nbsp; &nbsp; setSize(300,150);&nbsp; &nbsp; &nbsp; &nbsp; setVisible(true);&nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; //connect to server&nbsp; &nbsp; public void startRunning(){&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; try{&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; connectToServer();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; setupStreams();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; whileChatting();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }catch(EOFException eofException){&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; showMessage(&quot;\n Client terminated connection&quot;);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }catch(IOException ioException){&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ioException.printStackTrace();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }finally{&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; closeCrap();&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; // connect to server&nbsp; &nbsp; private void connectToServer() throws IOException{&nbsp; &nbsp; &nbsp; &nbsp; showMessage(&quot;Attempting connection.....\n&quot;);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; connection = new Socket(InetAddress.getByName(serverIp),6789);&nbsp; &nbsp; &nbsp; &nbsp; showMessage(&quot;Connected to : &quot; + connection.getInetAddress().getHostName());&nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; //setting up streams to recive massages&nbsp; &nbsp; &nbsp; &nbsp; private void setupStreams() throws IOException{&nbsp; &nbsp; &nbsp; &nbsp; output= new ObjectOutputStream(connection.getOutputStream());&nbsp; &nbsp; &nbsp; &nbsp; output.flush();&nbsp; &nbsp; &nbsp; &nbsp; input = new ObjectInputStream(connection.getInputStream());&nbsp; &nbsp; &nbsp; &nbsp; showMessage(&quot;\n dude your streams are now good to go&quot;);&nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; //while chatting method&nbsp; &nbsp; &nbsp; &nbsp; private void whileChatting() throws IOException{&nbsp; &nbsp; &nbsp; &nbsp; ableToType(true);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; do{&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; try{&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; message=(String) input.readObject();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; showMessage(&quot;\n&quot; + message);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }catch(ClassNotFoundException classNotFoundException){&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; showMessage(&quot;\n i dont know that object type&quot;);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }while(!message.equals(&quot;SERVER - END&quot;));&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; //close crap to close everything&nbsp; &nbsp; &nbsp; &nbsp; private void closeCrap(){&nbsp; &nbsp; &nbsp; &nbsp; showMessage(&quot;\n closing crap down...&quot;);&nbsp; &nbsp; &nbsp; &nbsp; ableToType(false);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; try{&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; output.close();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; input.close();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; connection.close();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }catch(IOException ioException){&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ioException.printStackTrace();&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; //send massages to server&nbsp; &nbsp; &nbsp; &nbsp; private void sendMessage(String message){&nbsp; &nbsp; &nbsp; &nbsp; try{&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; output.writeObject(&quot;CLIENT - &quot; + message);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; output.flush();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; showMessage(&quot;\n CLIENT - &quot; + message);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }catch(IOException ioException){&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; chatWindow.append(&quot;\n something messed up with sending massages&quot;);&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; //show message to show all massage to window&nbsp; &nbsp; private void showMessage(final String m){&nbsp; &nbsp; &nbsp; &nbsp; SwingUtilities.invokeLater(&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; new Runnable() {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; @Override&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; public void run() {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // TODO Auto-generated method stub&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; chatWindow.append(m);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; );&nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; // give user permission to type &nbsp; &nbsp; &nbsp; &nbsp; private void ableToType(final boolean tof){&nbsp; &nbsp; &nbsp; &nbsp; SwingUtilities.invokeLater(&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; new Runnable() {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; @Override&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; public void run() {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // TODO Auto-generated method stub&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; userText.setEditable(tof);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; );&nbsp; &nbsp; }&nbsp; &nbsp; }[/PHP][PHP]import javax.swing.JFrame;public class clientTest {&nbsp; &nbsp; public static void main(String[] args) {&nbsp; &nbsp; &nbsp; &nbsp; // TODO Auto-generated method stub&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; client mychat;&nbsp; &nbsp; &nbsp; &nbsp; mychat= new client(&quot;127.0.0.1&quot;);&nbsp; &nbsp; &nbsp; &nbsp; mychat.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);&nbsp; &nbsp; &nbsp; &nbsp; mychat.startRunning();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }}[/PHP]meke mehema exception ekak enawane bun...mokakda case eka???Exception in thread &quot;main&quot; java.lang.NullPointerException&nbsp; &nbsp; at client.&lt;init&gt;(client.java:27)&nbsp; &nbsp; at clientTest.main(clientTest.java:10)<img src="/styles/default/xenforo/smilies/default/dull.gif"&nbsp; class="smilie" loading="lazy" alt=":dull:" title="Dull&nbsp; &nbsp; :dull:" data-shortname=":dull:" /><img src="/styles/default/xenforo/smilies/default/dull.gif"&nbsp; class="smilie" loading="lazy" alt=":dull:" title="Dull&nbsp; &nbsp; :dull:" data-shortname=":dull:" /><img src="/styles/default/xenforo/smilies/default/dull.gif"&nbsp; class="smilie" loading="lazy" alt=":dull:" title="Dull&nbsp; &nbsp; :dull:" data-shortname=":dull:" /><img src="/styles/default/xenforo/smilies/default/dull.gif"&nbsp; class="smilie" loading="lazy" alt=":dull:" title="Dull&nbsp; &nbsp; :dull:" data-shortname=":dull:" /><img src="/styles/default/xenforo/smilies/default/dull.gif"&nbsp; class="smilie" loading="lazy" alt=":dull:" title="Dull&nbsp; &nbsp; :dull:" data-shortname=":dull:" /></blockquote>

[QUOTE="tery123, post: 20809697, member: 343391"] [PHP]import java.io.*; import java.net.*; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.*; import javax.xml.ws.handler.MessageContext; public class client extends JFrame { private JTextField userText; private JTextArea chatWindow; private ObjectOutput output; private ObjectInputStream input; private String message= ""; private String serverIp; private Socket connection; //constructor public client(String host){ super("CLINENT MOFO !!!!"); serverIp = host; userText.setEditable(false); userText.addActionListener( new ActionListener() { @Override public void actionPerformed(ActionEvent event) { // TODO Auto-generated method stub sendMessage(event.getActionCommand()); userText.setText(""); } } ); add(userText,BorderLayout.NORTH); chatWindow = new JTextArea(); add(new JScrollPane(chatWindow),BorderLayout.CENTER); setSize(300,150); setVisible(true); } //connect to server public void startRunning(){ try{ connectToServer(); setupStreams(); whileChatting(); }catch(EOFException eofException){ showMessage("\n Client terminated connection"); }catch(IOException ioException){ ioException.printStackTrace(); }finally{ closeCrap(); } } // connect to server private void connectToServer() throws IOException{ showMessage("Attempting connection.....\n"); connection = new Socket(InetAddress.getByName(serverIp),6789); showMessage("Connected to : " + connection.getInetAddress().getHostName()); } //setting up streams to recive massages private void setupStreams() throws IOException{ output= new ObjectOutputStream(connection.getOutputStream()); output.flush(); input = new ObjectInputStream(connection.getInputStream()); showMessage("\n dude your streams are now good to go"); } //while chatting method private void whileChatting() throws IOException{ ableToType(true); do{ try{ message=(String) input.readObject(); showMessage("\n" + message); }catch(ClassNotFoundException classNotFoundException){ showMessage("\n i dont know that object type"); } }while(!message.equals("SERVER - END")); } //close crap to close everything private void closeCrap(){ showMessage("\n closing crap down..."); ableToType(false); try{ output.close(); input.close(); connection.close(); }catch(IOException ioException){ ioException.printStackTrace(); } } //send massages to server private void sendMessage(String message){ try{ output.writeObject("CLIENT - " + message); output.flush(); showMessage("\n CLIENT - " + message); }catch(IOException ioException){ chatWindow.append("\n something messed up with sending massages"); } } //show message to show all massage to window private void showMessage(final String m){ SwingUtilities.invokeLater( new Runnable() { @Override public void run() { // TODO Auto-generated method stub chatWindow.append(m); } } ); } // give user permission to type private void ableToType(final boolean tof){ SwingUtilities.invokeLater( new Runnable() { @Override public void run() { // TODO Auto-generated method stub userText.setEditable(tof); } } ); } } [/PHP] [PHP]import javax.swing.JFrame; public class clientTest { public static void main(String[] args) { // TODO Auto-generated method stub client mychat; mychat= new client("127.0.0.1"); mychat.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); mychat.startRunning(); } } [/PHP] meke mehema exception ekak enawane bun...mokakda case eka??? [COLOR="Red"]Exception in thread "main" java.lang.NullPointerException at client.<init>(client.java:27) at clientTest.main(clientTest.java:10) [/COLOR] :dull::dull::dull::dull::dull: [/QUOTE]

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