class Check{
public static void main(String args[]){
double d =12.3;
Decrementer dec =new Decrementer();
dec.decrement(d);
System.out.println(d);
}
}
class Decrementer{
public void decrement(double decMe){
decMe=decMe-1.0;
}
}
A、打印输出11.3
B、打印输出12.3
C、打印输出-1.0
D、打印输出0.0
B