System.out.println() Not writing entire string!

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Java

When i try to get the bytestream to write out the bytes using String(responseBytes)

in_ = new DataInputStream(eiscpSocket_.getInputStream());
       byte [] responseBytes = new byte[64] ;
       int numBytesReceived = 0;

       numBytesReceived = in_.read(responseBytes);
       retVal = new String(responseBytes); //new String(responseBytes);
       System.out.println("received " + numBytesReceived + " bytes: \"" + responseBytes +"  "+ retVal + " \"" );

But System.out.println("received " + numBytesReceived + " bytes: \"" + responseBytes +" "+ retVal + " \"" ) does not print anything after retVal and not even the whole retVal.

I Get this output

received 46 bytes: "[B@137c60d  ISCP

using this program to get a response from my onkyo reciever

why cant i print my bytes response?