public class AA {
public static void main(String[] args) {
double a=4.6;
int v=3;
System.out.print(a*v);
}
}
输出13.79999999999999
请问如何解决?
public static void main(String[] args) {
double a=4.6;
int v=3;
System.out.print(a*v);
}
}
输出13.79999999999999
请问如何解决?
BigDecimal v = new BigDecimal(3);
System.out.print(a.multiply(v));