Convert Java program to Python program

Question

Hello I am learning Java programming I know Python programming language very well. Could you please convert the Python program to java program . This the program for sum of digits .

n="100"

sum_of_digits=0

for i in range(len(n)):
sum_of_digits+=int(n[i])
print(sum_of_digits)

Answer 1

Yes 𝐊𝐢𝐢𝐛𝐨 𝐆𝐡𝐚𝐲𝐚𝐥 I have tried .

Answer 2

I have tried this in java
class sample{
public static void main(String args[]){
String s="123";
int count=0;
for(int i=0;i<s.length();i++){
count+=Integer.parseInt(s.charAt(i));
}
}
}

Answer 3

Thank you 𝐊𝐢𝐢𝐛𝐨 𝐆𝐡𝐚𝐲𝐚𝐥 but why you have used double quotes at line 7