Question

create a function demo as the name of the class to get the parameters from main() function.​

Answer 1

Answer:

Default Argument At first, display() function is called without passing any arguments. In this case, display() function used both default arguments c = * and n = 1 . Then, only the first argument is passed using the function second time. In this case, function does not use first default value passed.

Answer 2

Create a function demo as the name of the class to get the parameters from main() function.​

Explanation:

Constructor in Java

• Special method having same as name of the class .

• Not return any value.
• Automatically called upon creating any object.

Java Program

class Demo

{

     int  value1;

     int  value2;

     Demo(int v1, int v2)

    {

        value1 = v1;

        value2 = V2;

        System.out.println("Inside Constructor");

    }

    public void display()

   {

       System.out.println("Value1 === "+value1);

       System.out.println("Value2 === "+value2);

   }

  public static void main(String args[])

{

      Demo obj = new Demo(56,78);

     obj.display();

 }

}

OUTPUT

Value1 === 56

Value2 === 78