UnsignedNumberUtil { public static int parseUnsignedInt(String s) { return parseUnsignedInt(s, 10); } private  UnsignedNumberUtil(); static int parseUnsignedInt(String s); static String unsignedIntToString(int x); static long parseUnsignedLong(String s); static String unsignedLongToString(long x); static final long MAX_VALUE; }
@Test public void testParseUnsignedInt() throws Exception { Assert.assertEquals(-1, UnsignedNumberUtil.parseUnsignedInt("4294967295")); }