(Solved) : Eror Basic Client Socket Programming Socket Connected Error Msg Javaiofilenotfoundexceptio Q30435433 . . . .

its eror:

Basic Client Socket Programming
Socket Connected
Error msg: java.io.FileNotFoundException: Hello (Böyle bir dosya yada dizin yok)
Hash code generated: null
Picked up JAVA_TOOL_OPTIONS:-javaagent:/usr/share/java/jayatanaag.jar
Exception in thread “main” java.lang.NullPointerException
   at java.io.Writer.write(Writer.java:157)
   at Udp.ClientSocket.main(ClientSocket.java:51)

pls help me why this code dont run

package Udp;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Scanner;

// Class Client Socket
public class ClientSocket {
   public static void main(String[] args) throwsIOException {
       // show main Menu
       System.out.println(“Basic ClientSocket Programming”);
       // Socket Variables
       Socket clientSocket = null; // forsending and receiving of data
       PrintWriter outputStream = null; //for sending data
       BufferedReader inputStream = null;// for receiving data