public static void trim(String[] strs) {
		if (null == strs) {
			return;
		}
		String str;
		for (int i = 0; i < strs.length; i++) {
			str = strs[i];
			if (null != str) {
				strs[i] = trim(str);
			}
		}
	}
@Test
	public void trimNewLineTest() {
		String str = "\r\naaa";
		assertEquals("aaa", StrUtil.trim(str));
		str = "\raaa";
		assertEquals("aaa", StrUtil.trim(str));
		str = "\naaa";
		assertEquals("aaa", StrUtil.trim(str));
		str = "\r\n\r\naaa";
		assertEquals("aaa", StrUtil.trim(str));
	}