package package1;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;

class Student {
    int a;
    int b;

//    public Student(int a, int b){
//        this.a = a;
//        this.b = b;
//    }

//    public int getA(){
//        return a;
//    }
//
//    public int getB(){
//        return b;
//    }

    public Student(){
        a= 5;
        b= 10;
    }

    public void print(){
        System.out.println(a+b);
    }
}
public class MainClass {

    public static void main(String[] args) {
         Student st;
        try {
            st = Student.class.newInstance();
            st.print();

            Constructor <Student> constructor = Student.class.getConstructor();
            Student student = constructor.newInstance();
            student.print();
            Class cls = Class.forName("package1.Student");
            Constructor con = cls.getConstructor();
            Object obj = con.newInstance();
//            Class cl = Class.forName("Student");
//            Class type[] = {int.class, int.class};
//            Constructor cons = cl.getConstructor(type);
//            Object newInstanceObject = cons.newInstance(22, 35);
//            Student st = (Student) newInstanceObject;
//            st.print();
//            Constructor c = Class.forName("Student").getConstructor(new Class[]{int.class, int.class});
//            Student st2 = (Student)c.newInstance(45, 55);
//            System.out.println(st2.getA());
            Method methods[] = cls.getDeclaredMethods();
            for (Method method : methods) {
                method.invoke(obj);
            }

        }catch (Exception e) {
            e.printStackTrace();
        }
    }
}