need help? I want to find out sum of product digits of two numbers in java ?

Question

for example : if numbers are 23 and 37 then output is 2*3+2*7+3*3+3*7=50....

Answer 1

I think the easiest way is split every number to String array and use for in for to calculate it.
#Edit I can show you my example but first try to do it by yourself :)

Answer 2

provide your attempt please