public class IntegerExamples {

    public static void main (String[] argv)
    {
        // Instance of Integer:
        Integer I = new Integer (5);

        // Ordinary int:
        int i = 6;
        
        // Integer + int, with result stored in an int.
        int n = I + i;

        // The same with the result stored in an Integer.
        Integer N = I + i;

        // Comparison operator across types.
        if (N == n) {
            System.out.println ("N=" + N + "  n=" + n);
        }

        // See how the add method is declared.
        Integer S = add (i, I);
        System.out.println (I + "+" + i + "=" + S);
    }

    static int add (int a, int b)
    {
        return (a + b);
    }
    

}