BufferedReader readLine method hangs and block program

Question

I\'m trying to learn sockets using Java and I sucessfully sent data to a ServerSocket running in my own machine. When I try to read from this socket using readline (so I can

Answer 1

writeUTF() doesn't write a line. See the Javadoc. writeUTF() is for use with readUTF(). And Readers are for use with Writers. So change the DataOutputStream to a BufferedWriter and call write() and then newline().