Int, Float or Double

Question

What is the difference between the three and when would you use each one?

Answer 1

int is only full numbers like 1, 4, 126, 0, -7
float provide floating point numbers like 0,464 , 13,85905 , 3,1415169
and double provide float point numbers with higher precision and value range like 67,46599043279843 , 585436754488,57