Methods) Fill-in Functions

public class Main
{
    public static void main( String[] args ) {
        System.out.println("Watch as we demonstrate functions.");

        System.out.println();
        System.out.println("I'm going to get a random character from A-Z");
        char c = randchar();

        System.out.println("The character is: " + c + " (or whatever)" );

        System.out.println();
        System.out.println("Now let's count from -10 to 10");
        int begin, end;
        begin = -10;
        end = 10;
        counter(begin, end);
        System.out.println("How was that?");

        System.out.println();
        System.out.println("Now we take the absolute value of a number.");
        int x, y = 99;
        x = -10;
        y = abso(x);
        System.out.println("|" + x + "| = " + y );

        System.out.println();
        System.out.println("That's all.  This program has been brought to you by:");
        credits();
    }

    public static void credits() {
        // displays some boilerplate text saying who wrote this program, etc.

        System.out.println();
        System.out.println("Programmed by Graham Mitchell");
        System.out.println("Modified by S Doyle");
        System.out.print("This code is distributed under the terms of the standard ");
        System.out.println("BSD license.  Do with it as you wish.");
    }


    // chooses a random character in the range "A" to "Z"
    public static char randchar() {
        int numval;
        char charval;

        // pick a random number from 0 to 25
        numval = (int)(Math.random()*26);
        // now add that offset to the value of the letter 'A'
        charval = (char) ('A' + numval);

        return charval;
    }


    public static void counter( int start, int stop )
    {
        // counts from start to stop by ones
        int ctr;
        ctr = start;
        while ( ctr <= stop )
        {
            System.out.print(ctr + " ");
            ctr = ctr+1;
        }
    }


    public static int abso( int value )
    {
        // finds the absolute value of the parameter
        int absval;

        if ( value < 0 )
            absval = -value;
        else
            absval = value;

        return absval;
    }

}