Dash Insert Two Coderbyte Solution

Have the function DashInsertII(str) insert dashes ('-') between each two odd numbers and insert asterisks ('*') between each two even numbers in str. For example: if str is 4546793 the output should be 454*67-9-3. Don't count zero as an odd or even number.

Dash Insert Two In Java

import java.util.Scanner;

public class DashInsertTwo {

String DashInsertII(String str) {

char[] nums = str.toCharArray();

int prevNum = Integer.parseInt(String.valueOf(nums[0]));

StringBuilder result = new StringBuilder(String.valueOf(prevNum));

for (int i = 1; i < nums.length; i++) {

int num = Integer.parseInt(String.valueOf(nums[i]));

int prevNumDiv = prevNum % 2;

int numDiv = num % 2;

if (num != 0 && prevNum != 0) {

if (prevNumDiv == 1 && numDiv == 1) {

result.append("-");

} else if (prevNumDiv == 0 && numDiv == 0) {

result.append("*");

}

}

result.append(num);

prevNum = num;

}

return result.toString();

}

public static void main (String[] args) {

// keep this function call here

Scanner s = new Scanner(System.in);

DashInsertTwo c = new DashInsertTwo();

System.out.print(c.DashInsertII(s.nextLine()));

}

}