part1
Class Utilities

java.lang.Object
  part1.Utilities

public class Utilities

extends java.lang.Object

Method Summary

static java.math.BigInteger	combine(java.util.AbstractList l, java.math.BigInteger m) A method to combine a list of big integers produced by split().
static java.lang.String	intToString(java.math.BigInteger x) A method to convert a positive big integer created by stringToInt() into a string.
static java.util.AbstractList	split(java.math.BigInteger x, java.math.BigInteger m) A method to split a positive big integer x into a non-empty list of big integers representing the number to the base m.
static java.math.BigInteger	stringToInt(java.lang.String s) A method to convert a string into a positive big integer.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

stringToInt

public static java.math.BigInteger stringToInt(java.lang.String s)
                                        throws java.lang.Exception

A method to convert a string into a positive big integer.

Throws:

java.lang.Exception

intToString

public static java.lang.String intToString(java.math.BigInteger x)
                                    throws java.lang.Exception

A method to convert a positive big integer created by stringToInt() into a string.

Throws:

java.lang.Exception

split

public static java.util.AbstractList split(java.math.BigInteger x,
                                           java.math.BigInteger m)
                                    throws java.lang.Exception

A method to split a positive big integer x into a non-empty list of big integers representing the number to the base m.

Throws:

java.lang.Exception

combine

public static java.math.BigInteger combine(java.util.AbstractList l,
                                           java.math.BigInteger m)
                                    throws java.lang.Exception

A method to combine a list of big integers produced by split().

Throws:

java.lang.Exception