java - how do I count and print out the total number of zeros after the decimal places? -


i'm trying find way count , display total of numbers of string, don't know how go doing that. here's example:

65.0-43.0+21.0= 43.0  65 -43 +21 = 43   65.0 -43.0 +21.0 = 43.0   65 - 43 + 21 = 43   65.00 - 43.0 + 21.000 = +0043.0000

the output needs give me:

digit: 20 0

*that's total number of zeros have in example. not zeros after decimals. if can point me in right direction, appreciated. thanks!

here's pseudo-code want:

zerocount = 0 state = notafterpoint  each character c   if c == '.'     state = afterpoint   else if c not digit     state = notafterpoint   else if state == afterpoint , c == '0'     zerocount++  print zerocount

i'll leave converting java code you.


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