Method in Java OOP Lab

package method;

public class Method {
    public static void main(String[] args) {
        Rectangle obj = new Rectangle();

        obj.test(10,5,2);
        obj.test(10, 5);
        obj.test();
    }

}

class Rectangle{
    double width;
    double length;
    double height;
    void test(double length, double width, double height){
        System.out.println(height*length*width);
    }
    void test(double length, double width){
        System.out.println(length*width);
    }
    void test(){
        System.out.println("Hello Fozle!");
    }
}