Here you can find the source of dumpNumber(PrintStream out, String s, BigInteger bi)
static void dumpNumber(PrintStream out, String s, BigInteger bi)
//package com.java2s; import java.io.PrintStream; import java.math.BigInteger; public class Main { static PrintStream strDump; static void dumpNumber(PrintStream out, String s, BigInteger bi) { if (out == null) return; out.print(s);//from w w w. j a v a 2 s. co m out.println(bi.toString(16)); } static void dumpNumber(String s, BigInteger bi) { if (strDump == null) return; dumpNumber(strDump, s, bi); } static void dumpNumber(PrintStream out, String s, int i) { if (out == null) return; out.println(s + i); } }