Removed unnecessary dependencies

kms_exercise/client_server/Server.java

@@ -2,20 +2,15 @@
 
 import java.net.ServerSocket;
 import java.net.Socket;
+import java.io.InputStream;
+import java.io.OutputStream;
 import java.io.IOException;
 import java.net.SocketException;
 import java.net.SocketTimeoutException;
-import java.io.InputStreamReader;
-import java.io.OutputStreamWriter;
-import java.io.BufferedReader;
-import java.io.BufferedWriter;
-import java.io.PrintWriter;
 import java.nio.file.*;
 import java.util.stream.*;
 import java.nio.ByteBuffer;
 import java.nio.ShortBuffer;
-import java.io.InputStream;
-import java.io.OutputStream;
 
 public class Server{
     private ServerSocket socket;
@@ -116,8 +111,8 @@ public class Server{
     */
     public void handleResponse(Socket client, String read){
         try{
-            PrintWriter writer=new PrintWriter(new BufferedWriter(new OutputStreamWriter(client.getOutputStream())));
             OutputStream stream = client.getOutputStream();
+            
             byte[] result=new byte[0];
             if(read.equals("LIST")){
                 result = this.list().getBytes();
@@ -128,6 +123,7 @@ public class Server{
                 String message="Not supported command!";
                 result = message.getBytes();
             }
+            
             short length = (short) result.length;
             ByteBuffer buffer = ByteBuffer.allocate(length+2);
             buffer.putShort(length);