Program to enter an integer or double and add all the numbers in java

Question

Can you give me any keyword or ideas from which i can create a program to enter an integer or double number and add them all?

E.g.
360 = 3+6+0=9

Answer 1

Take input as string, divide it into characters, convert each character to integer if possible (try/catch), calculate sum

Answer 2

Shikaki ira K

Or you can use this
int n=360; int s=0;
while(n>0){
int d=n%10;
s+=d;
n/=10;}

Answer 3

post your code

Answer 4

Post your attempt

Answer 5

So complete the course and then try again

Answer 6

Atul , i have got no any knowledge about this thing and i don't have no any keyword or idea to do it. So I haven't started my code yet.