在java 中怎么把double类型转成 int类型

Question

如题所述

Answer 1

double d = 12.0;
int i = (new Double(d)).intValue();

Answer 2

int i=5;
double d=(double) i;

Answer 3

Integer.valueOf(double);

Answer 4

double a = 1d;
int b = Integer.valueOf(String.valueOf(a));

Answer 5

double d = 1.23;
int i = (int) d;