如下Java语句
double x = 2.0;
int y = 4;
x /= ++y; 执行后，x的值是
0.5
2.5
0.4
2.0
++在前，先加1再运算;
x = 2.0 / 5;
x = 0.4;
x = 2.0 / 5;
x = 0.4;
青云测评
青云测评
如下Java语句
double x = 2.0;
int y = 4;
x /= ++y; 执行后，x的值是
0.5
2.5
0.4
2.0
