// Fill-In Functions - Fix the broken functions and function calls.

public class Main
{
    public static void main( String[] args )
    {
        // Fill in the function calls where appropriate.

        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 );

        System.out.println();
        System.out.println("Now let's count from -10 to 10");
        int begin, end;
        begin = -10;
        end = 10;
        counter(-10,10);
        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;
        abso(-10);
        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 String credits()
    // No parameters.
    {
        // displays some boilerplate text saying who wrote this program, etc.
        String result = "";
        String name = "Vennela Sunnam";
        System.out.println();
        System.out.println("programmed by Graham Mitchell");
        System.out.println("modified by [your name here]");
        System.out.print("This code is distributed under the terms of the standard ");
        System.out.println("BSD license.  Do with it as you wish.");

        return result;
    }




    public static char randchar()
    // No parameters.
    {
        // chooses a random character in the range "A" to "Z"

        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 int counter (int start, int stop)
    // Parameters are:
    //     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;
        }

        return ctr;
    }




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

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

        return absval;
    }
}