Program to Implement Constructor Overloading in Java

     This program is used to implement constructor overloading. Here the integer, float, double variable and object is passed as arguments.

 

import java.io.*;

import java.util.*;

class Box1

{

            int wt,ht,dt,a;

            float wt1,ht1,dt1,a2;

            double wt2,ht2,dt2,a3;

            Box1()

            {

                        wt=10;

                        ht=10;

                        dt=10;

                        a=wt*ht*dt;

                        System.out.println("The volume of box is(No Arugument) "+a);

            }

            Box1(int i)

            {

                        wt=i;

                        ht=15;

                        dt=20;

                        a=wt*ht*dt;

                        System.out.println("The volume of box is(One Argument) "+a);

            }

            Box1(int a,int b,int c)

            {

                        wt=a;

                        ht=b;

                        dt=c;

                        a=wt*ht*dt;

                        System.out.println("The volume of box is(Multi Argument Integer) "+a);

            }

            Box1(float x,float y,float z)

            {

                        wt1=x;

                        ht1=y;

                        dt1=z;

                        a2=wt1*ht1*dt1;

                        System.out.println("The volume of box is(Multi Argument Float) "+a2);

            }

            Box1(double d,double f,double e)

            {

                        wt2=d;

                        ht2=f;

                        dt2=e;

                        a3=wt2*ht2*dt2;

                        System.out.println("The volume of box is(Multi Argument Double) "+a3);

            }

            Box1(Box1 a1)

            {

                        wt=a1.wt;

                        ht=a1.ht;

                        dt=a1.dt;

                        a=wt*ht*dt;

                        System.out.println("The volume of box is(Object as Argument) "+a);

            }

}

class Box

{

            public static void main(String args[])

            {

                        Box1 a=new Box1();

                        Box1 b=new Box1(10);

                        Box1 c=new Box1(10,20,30);

                        Box1 d=new Box1(15.5f,20.0f,31.5f);

                        Box1 e=new Box1(2314,5676,7654);

                        Box1 f=new Box1(c);

            }

}         

Output

The volume of box is(No Arugument) 1000

The volume of box is(One Argument) 3000

The volume of box is(Multi Argument Integer) 6000

The volume of box is(Multi Argument Float) 9765.0

The volume of box is(Multi Argument Integer) 1745408848

The volume of box is(Object as Argument) 6000