Sum of digits in the String | Java | Nataraja Murthy

Описание: Task: Given a string str containing alphanumeric characters. The task is to calculate the sum of all the numbers present in the string.

Input:
str = 1abc23
Output: 24
Explanation: 1 and 23 are numbers in the
string which is added to get the sum as
24.

Logic in for loop:

temp = temp*10;
temp += str.charAt(i) - '0';
sum+=temp;

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