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if (StringUtils.isEmpty(str)) { System.out.println(str.toUpperCase()); } StringUtils.split(" abc def ") -> ["abc", "def"] StringUtils.split("abc def", null) -> ["abc", "def"] StringUtils.split("ab:cd:ef", ":") -> ["ab", "cd", "ef"] StringUtils.split("ab::ef", ":") -> ["ab", "ef"] StringUtils.join([null, "", "a", "bc"]) -> "abc" StringUtils.join(["a", "b", "c"], null) -> "abc" StringUtils.join([null, "", "a", "bc"], ',') -> ",,a,bc" Calendar cal = DateUtils.round(Calendar.getInstance(), Calendar.DATE) DateUtils.truncate(Calendar.getInstance(), Calendar.DATE) Iterator days = DateUtils.iterator(Calendar.getInstance(), DateUtils.RANGE_WEEK_SUNDAY)

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Last-modified: Fri, 30 Oct 2009 14:09:00 UTC (4585d)
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Modified by MT22(Moriwaki Takashi)

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