What's a float

Question

Isn't a float a massive number with a decimal? if it's not a long number, then why did they make a double?

Answer 1

double: 64 bit - default choice for decimals
float: 32 bit - less precision, use it only if you need to save memory space.
See
https://docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html

Answer 2

You're welcome ^^

Answer 3

Thanks!