How to get the integer part of a real number?

Question

Java

There is a real number.
For example :
double x = 23.35;
How to get its integer part ?

Answer 1

int i = x.intValue();

Answer 2

or int integralPart = (int) x;
long integralPart = (long) x;

Answer 3

double value = 23.35
String[] a = String.valueOf(value).split("[.]");
int _int = Integer.parseInt(a[0]);
int _frac = Integer.parseInt(a[1])