The encoding scheme for a five-digit zip code is shown in Figure 1. There are fu

Question

The encoding scheme for a five-digit zip code is shown in Figure 1. There are full- height frame bars on each side. The five encoded digits are followed by a check digit, which is computed as follows: Add up all digits, and choose the check digit to make the sum a multiple of 10. For example, the zip code 95014 has a sum of 19 (9 + 5 + 0 + 1 + 4), so the check digit is 1 to make the sum equal to 20 (i.e., a multiple of 10). Each digit of the zip code, and the check digit, is encoded according to the following table, where | denotes a full bar and : a half bar. 1 :::|| 2 ::|:| 3 ::||: 4 :|::| 5 :|:|: 6 ?:||:: 7 ?|:::| 8 ?|::|: 9 ?|:|:: 0 ?||::: Write a program (Using C++) that asks the user for a five-digit zip code and prints the bar code. For example ( Please enter a five-digit zip code: 95014 ||:|:::|:|:||::::::||:|::|:::|||

Explanation / Answer

import java.util.Scanner;

class BarCode
{
    public static void main(String args[])
    {
        Scanner s=new Scanner(System.in);
        System.out.print("Enter the 5 digit number: ");
        String b=s.nextLine();
        String ar[]={"||::: ",":::||","::|:|","::||:",":|::|",":|:|:","::||::","||:::|",
                "||::|:","||:|::"};
        int i,sum=0;
        System.out.print("Barcode is: ");
        for(i=0;i<b.length();i++)
        {
            int t=Integer.parseInt(b.charAt(i)+"");
            System.out.print(ar[t]);
            sum=sum+t;
        }
        int sumb=sum;
        while(true)
        {
            if(sum%10==0)break;
            sum++;
        }
        System.out.print(ar[sum-sumb]);
        System.out.println(" Number is: "+b+(sum-sumb));

    }
}

======================================================

Sample output:

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