Thanks to those who advised me a tutorial
http://metalab.unc.edu/xml/slides/sd2000west/xmlandjava/189.html.
Just the code lines
BigInteger low = BigInteger.ZERO;
BigInteger high = BigInteger.ONE;
need to be changed into
BigInteger low = new BigInteger ("0");
BigInteger high = new BigI
Thanks to those who advised me a tutorial
http://metalab.unc.edu/xml/slides/sd2000west/xmlandjava/189.html.
Just the code lines
BigInteger low = BigInteger.ZERO;
BigInteger high = BigInteger.ONE;
need to be changed into
BigInteger low = new BigInteger ("0");
BigInteger high = new