jodd-db/src/main/java/jodd/db/oom/naming/BaseNamingStrategy.java
protected static StringBuilder toUppercase(final StringBuilder string) {
		final int strLen = string.length();

		for (int i = 0; i < strLen; i++) {
			char c = string.charAt(i);

			char uppercaseChar = Character.toUpperCase(c);
			if (c != uppercaseChar) {
				string.setCharAt(i, uppercaseChar);
			}
		}
		return string;
	}
protected static StringBuilder toUppercase(final StringBuilder string) {
		final int strLen = string.length();

		for (int i = 0; i < strLen; i++) {
			char c = string.charAt(i);

			char uppercaseChar = Character.toUpperCase(c);
			if (c != uppercaseChar) {
				string.setCharAt(i, uppercaseChar);
			}
		}
		return string;
	}
---------------------------------------------------------------- util methods