Constructor Programs

Constructor Programs:

class Constr

{

    int i;

    float f;

    long l;

    double d;

    char c;

    String s;

    Constr()   // Constructor 

    {

        i=0;

        f=0.0f;

        l=0;

        d=0.0d;

        c=' ';

        s="";

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

    }

    public static void main()

    {

        Constr ob=new Constr();

    }

}

//Types of Constructor

import java.util.*;

class Constructor1

{

    int i;

    float f;

    long l;

    double d;

    char c;

    String s;

    Constructor1() //Default Constructor

    {

        i=0;

        f=0.0f;

        l=0;

        d=0.0d;

        c=' ';

        s="";

    }

    Constructor1(int a,int b) //Parameterized Constructor

    {

        System.out.println(a+" "+b);

    }

    public static void main()

    {

        Scanner sc=new Scanner(System.in);

        int a1,b1;

        Constructor1 ob=new Constructor1();

        System.out.print("Enter First Number ");

        a1=sc.nextInt();

        System.out.print("Enter Second Number ");

        b1=sc.nextInt();

        Constructor1 obj=new Constructor1(a1,b1);

    }

}