Akshatha . Ravi
java loops
1 Answer(s)      6 years and 3 months ago
Posted in : Java Beginners

to find the sum of alternate digits in a given no.

January 20, 2011 at 5:27 PM

Hi Friend,

Try this:

```import java.math.*;
import java.util.*;

class SumOfAlternateDigits {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Enter Number: ");
BigInteger bi = input.nextBigInteger();
int num = 0;
String strSum = bi.toString();
for (int i = 0; i < strSum.length(); i += 2) {
char ch = strSum.charAt(i);
int n = Integer.parseInt(Character.toString(ch));
num += n;
}
System.out.println("Sum of Alternate digits is: " + num);
}
}
```

Thanks

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