Question

given a string input1,having alphabets or digits or both ,find the sum of digits or only the characters depending on input2 prototype string findchars or DigitSum(String input1,input2) input1-String having alphabets or digits or both input2-either 0 or 1 if input2=0,find the sum of digits from string input1 if input2 =1 ,extract only alphabets from string input1 .
rules:
if there are no digits in the given string and input2 is 0 ,result would be zero.

Answer 1

Answer:

class GFG {

   static int findSum(String str)

   {

       String temp = "0";

       int sum = 0;

       for (int i = 0; i < str.length(); i++) {

           char ch = str.charAt(i);

           if (Character.isDigit(ch))

               temp += ch;

           else {

               sum += Integer.parseInt(temp);

               temp = "0";

           }

       }

       return sum + Integer.parseInt(temp);

   }

   public static void main(String[] args)

   {

       String str = "12abc20yz68";

       System.out.println(findSum(str));

   }

}

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