// File  : flow-methods/exercises/MethodExercises5.java
// Author: Fred Swartz
// Date  : 13 Oct 2005

import javax.swing.*;

class MethodExercises5 {
    public static void main(String[] args) {
        output("A. ", 99);

        output("B. " + convertInt(88));

        String x = convertInt(divide(8, 4));

        int n = 5;
        output("C. ", inc(inc(inc(n))));
        output("D. ", n);
        output("E. ", computeSomething(80, 100));
    }

    /** Displays an integer by calling another method, */
    private static String convertInt(int i) {
        return "Result = " + i;
    }

    /** Displays a message and an integer. */
    private static void output(String message, int i) {
        output(message + i);
    }

    /** Displays a message and an integer. */
    private static void output(String message) {
        JOptionPane.showMessageDialog(null, message);
    }

    /**  */
    private static int inc(int n) {
        return n+1;
    }

    /** Returns the result of dividing the first parameter by second. */
    private static int divide(int a, int b) {
        return a / b;
    }

    /** Does something! */
    private static int computeSomething(int x, int y) {
        int result;
        if (x > y) {
            result = x - y;
        } else if (x < y) {
            result =  y - x;
        } else {
            result = 0;
        }
        return result;
    }
}