read a line from socket

i am new in java and also new in network programming in java..

i would like to read aline from socket, for that i had written the code just like below

ServerSocket serverSocket

..........................................

clientSocket = serverSocket.accept();

DataInputStream is = clientSocket.getInputStream();

..................................................

String take=is.readLine();

i got an error the method readLine() is not..

[491 byte] By [Manomohan.M.Ka] at [2007-11-27 3:49:44]