myHarness.check(s.hasNextInt(16), "hasNextInt(16)");
myHarness.check(s.nextInt(16), 1329545071, "nextInt is 1329545071");
myHarness.check(s.hasNextLong(16), "hasNextLong(16)");
myHarness.check(s.nextLong(16), 69540603232238L, "nextLong is 69540603232238");
myHarness.check(s.hasNextBigInteger(16), "hasNextBigInteger(16)");
myHarness.check(s.nextBigInteger(16), BigInteger.valueOf(5496130961322L),
"nextBigInteger is 5496130961322");
s = new Scanner (testStr).useRadix (16);
myHarness.check(s.radix(), 16, "radix was not set to 16");