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    “cannot resolve symbol” means that the Java compiler cannot locate a symbol referenced in your Java source code.

    The causes for this common error include:

    • A missing class file
    • A faulty CLASSPATH
    • A symbol name is mispelled or miscapitalized
    • A data type is incorrect, misspelled, or miscapitalized
    • A method is called with the wrong number or types of arguments
    • An undeclared variable

    cannot resolve symbol errors can be very difficult to track down. Code carefully!

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    One comment
    1. RekhaNaganathan

      14 September, 2011 at 6:35 am

      i have written a tcpclient program when compiling it shows error as “cannot resolve symbol”the program is
      import java.net.*;
      import java.io.*;

      public class GreetingClient
      {
      public static void main(String args[])
      {
      String serverName = args[0];
      int port = Integer.parseInt(args[1]);
      try
      {
      System.out.println(“Connecting to ” + serverName
      + ” on port ” + port);
      Socket client = new Socket(serverName, port);
      System.out.println(“Just connected to “+ client.getRemoteSocketAddress());
      OutputStream outToServer = client.getOutputStream();
      DataOutputStream out =new DataOutputStream(outToServer);

      out.writeUTF(“Hello from “+ client.getLocalSocketAddress());
      InputStream inFromServer = client.getInputStream();
      DataInputStream in =new DataInputStream(inFromServer);
      System.out.println(“Server says ” + in.readUTF());
      client.close();
      }catch(IOException e)
      {
      e.printStackTrace();
      }
      }
      }

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