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Old 10-15-2013, 03:39 PM   #18
rushyrulz
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Join Date: Feb 2006
Location: 80 billion club, NE
Age: 31
Posts: 12,980
Default Re: Requesting help for programming/ CS majors?

I went ahead and did steps 1 and 2 in java. you should be able to figure out how to count the letter frequency and make the histogram. Here's my java code:
Code:
import java.util.Scanner;
public class namesort
{
    public static void main(String args[])
    {
        char[] name = new char[50];
        int[] asciiname = new int[50];
        int count = 0;
        System.out.println("Enter the letters of your name one by one and type * when done.");

        Scanner input = new Scanner(System.in);
        while(count < 50)
        {
            char dumbchar = input.next().charAt(0);
            if(dumbchar == '*')
                break;
            else
            {
                name[count] = dumbchar;
                count++;
            }
        }
        //cast char to int(ASCII)
        for(int i = 0; i < name.length; i++)
        {
            asciiname[i] = (int)name[i];
        }

        //bubble sort
        for(int i = 0; i< asciiname.length-1; i++)
        {
            for(int j = 0; j<asciiname.length-1; j++)
            {
                if(asciiname[j+1] < asciiname[j])
                {
                    //swap elements
                    int dummy = asciiname[j];
                    asciiname[j] = asciiname[j+1];
                    asciiname[j+1] = dummy;
                }
            }
        }
        //cast int(ASCII) to char(ANSI).
        for(int i = 0; i < asciiname.length; i++)
        {
            name[i] = (char)asciiname[i];
        }

        for(int i=0; i<name.length; i++)
        {
            System.out.print(name[i]);
        }
    }
}
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