@Nonnull
	public static String uppercaseFirstChar(@Nonnull String name) {
		int len = name.length();
		if (len == 1)
			return name.toUpperCase();
		else if (len > 1)
			return name.substring(0, 1).toUpperCase() + name.substring(1);
		else
			return name;
	}
@Test
	void testUppercaseFirstChar() {
		assertEquals("", StringUtil.uppercaseFirstChar(""));
		assertEquals("F", StringUtil.uppercaseFirstChar("f"));
		assertEquals("Foo", StringUtil.uppercaseFirstChar("foo"));
		assertEquals("FOO", StringUtil.uppercaseFirstChar("fOO"));
	}