double类型转换成int类型

public class test09 {
    public static void main(String[] args) {
        double a = 5000.44;
        double b = 100.12;

        double v = a / b;
        int i = new Double(v).intValue();
        System.out.println(i);
        System.out.println(v);
    }
}

    /**
     * Returns the value of this {@code Double} as an {@code int}
     * after a narrowing primitive conversion.
     * @jls 5.1.3 Narrowing Primitive Conversions
     *
     * @return  the {@code double} value represented by this object
     *          converted to type {@code int}
     */
    public int intValue() {
        return (int)value;
    }