public static String getShortClassName(String className) {
		final List<String> packages = StrUtil.split(className, CharUtil.DOT);
		if (null == packages || packages.size() < 2) {
			return className;
		}

		final int size = packages.size();
		final StringBuilder result = StrUtil.builder();
		result.append(packages.get(0).charAt(0));
		for (int i = 1; i < size - 1; i++) {
			result.append(CharUtil.DOT).append(packages.get(i).charAt(0));
		}
		result.append(CharUtil.DOT).append(packages.get(size - 1));
		return result.toString();
	}
@Test
	public void getShortClassNameTest() {
		String className = "cn.hutool.core.util.StrUtil";
		String result = ClassUtil.getShortClassName(className);
		assertEquals("c.h.c.u.StrUtil", result);
	}