Method main

src/main/java/com/thealgorithms/strings/Upper.java:10–15

Driver Code

(String[] args)

     * Driver Code
     */
    public static void main(String[] args) {
        String[] strings = {"ABC", "ABC123", "abcABC", "abc123ABC"};
        for (String s : strings) {
            assert toUpperCase(s).equals(s.toUpperCase());
        }
    }

    /**
     * Converts all the characters in this {@code String} to upper case.