g.java

    public static void g(char ch, boolean big) {
        System.out.printf("g('%c',%s) = ", ch, big);
        if (big == true) {
            int d = ch - 'A';
            for (int i = 0; i <= 25; i++) {
                int k = (d + i) % 26;
                System.out.printf("%c", 'A' + k);
            }
            System.out.println();
        } else {
            int gap = 'a' - 'A';
            int d = ch - 'a' + gap;
            for (int i = 0; i <= 25; i++) {
                int k = (d + i) % 26;
                System.out.printf("%c", 'a' + k);
            }
            System.out.println();
        }
    }