class InkrDekr {

    public static void main(String args[]) {
        System.out.println("Inkrement / Dekrement Tester.");
        int i = 42;
        System.out.println(i + " " + ++i + " " + i++ + " " + i);
        System.out.println(i + " " + --i + " " + i-- + " " + i);
        
        String s1 = "a";
        String s2 = "2";
        if (s1 != s2) System.out.println("Verschiedene Referenzen!");
        if ("ABC" == "ABC") System.out.println("Gleich");

    }
}