/**
 * An exercise to demonstrate methods of Wrapper Classes
 * @Liberty Computer Science A
 * @version March 26, 2019
 */
public class WrapperMethods
{
    public static void main(String[] args)
    {
        System.out.println("\nWRAPPER CLASS METHODS\n");

        // declare and initialize an int x with value = 15
        int x = 15;
        // declare and initialize an int y with value = 18
        int y = 18;
        // declare and initialize an int z with value = 5 * 3
        int z = 5 * 3;

        // print the values
        System.out.println("int VALUES:");
        System.out.println("x = " + x + ", y = " + y + ", z = " + z);

        // compare the primitive values x and y with == assign to boolean b1
        boolean b1 = (x == y);
        // print the result
        System.out.println("\n(x == y) is " + b1);

        // compare the primitive values x and z with == assign to boolean b2
        boolean b2 = (x == z);
        // print the result
        System.out.println("(x == z) is " + b2);

        // Autobox x, y, z into wrapper class variables xW, xW, xW
        Integer xW = new Integer(x);
        Integer yW = new Integer(y);
        Integer zW = new Integer(z);




        System.out.println("\nAUTOBOXED VALUES:");
        // print the values of xW, yW, zW applying the .toString() method
        System.out.println("The value of xW = " + xW.toString());
        System.out.println("The value of yW = " + yW);
        System.out.println("The value of zW = " + zW.toString());

        // compare the values xW and yW with the .equals() method assign to boolean b3
        boolean b3 = xW.equals(yW);
        // print the result
        System.out.println("\nxW equals yW: " + b3);

        // compare the values zW and xW with the .equals() method assign to boolean b4
        boolean b4 = zW.equals(xW);
        // print the result
        System.out.println("zW equals xW: " + b4);

        // compare the values xW and yW with the .compareTo() method assign to int i1
        int i1 = xW.compareTo(yW);
        // print the result
        System.out.println("\nxW compareTo yW: " + i1);

        // switch the order of yW and xW in .compareTo() method assign to int i2
        int i2 = yW.compareTo(xW);
        // print the result
        System.out.println("yW compareTo xW: " + i2);

        // compare the values zW and xW with the .compareTo() method assign to int i3
        int i3 = zW.compareTo(xW);
        // print the result
        System.out.println("\nzW compareTo xW: " + i3);

        // unbox the value of xW and assign it to the int a
        int a = xW.intValue();

        // unbox the value of xW and assign it to the int b
        int b = yW.intValue();

        // unbox the value of xW and assign it to the int c
        int c = zW.intValue();

        // print the unboxed values
        System.out.println("\nUNBOXED VALUES:");
        System.out.println("a = " + a + ", b = " + b + ", c = " + c);

        // multiply a * b, assign it to int d, and print the result
        int d = a * b;
        System.out.println("\na * b = " + d);

        // cube the value of c, assign it to int e, and print the result
        int e = c * c *c;
        System.out.println("c cubed = " + e);
    }
}