public String toString(){
  StringBuffer buf=new StringBuffer(NODE + " " + getFeature()+ " "+ OPERAND_MATCHES);
  buf.append(getValueString() + " ");
  buf.append(Integer.toString(qtrue) + " ");
  buf.append(Integer.toString(qfalse));
  return buf.toString();
}

public String toString ( ) { StringBuffer buf = new StringBuffer ( NODE + " " + getFeature ( ) + " " + OPERAND_MATCHES ) ; buf . append ( getValueString ( ) + " " ) ; buf . append ( Integer . toString ( qtrue ) + " " ) ; buf . append ( Integer . toString ( qfalse ) ) ; return buf . toString ( ) ; }
get a string representation of this node .
