LEC : 19 || JAVA

         

LEC:19

Constructors and Their Types in JAVA

Source Code:

package oops;

import java.util.Scanner;

class Student{

    private 

    int i;

//    void display()

//    {

//        System.out.println("Hello new Class and their Objects...");

//    }

//    int get()

//    { int a=99;

//        return a;

//    }

    

    

    //Constructor 

    Student()

    {

        i=99;

        System.out.println("Default Constructor is Calling "+i);

    }

    Student(int a)

    {

        i=a;

        System.out.println("Parameterized  Constructor is Calling "+i);

    }

}

public class OOPS {

    public static void main(String[] args) {

        //Object creation  and calling method  also passing the values 

        Student O1=new Student();

        

        Scanner O4=new Scanner(System.in);

        int input=O4.nextInt();

        Student O2=new Student(input);

//        O1.display();

//        int hold=O1.get();

//        System.out.println("The value of a is : "+hold);

      }

    

}