III BCom VI Sem E Commerce Lab

ALL 10 Programs 

Package Test Program

PackageTest.java

import java.io.*;
import arithmetic.*;
class PackageTest
{
public static void main(String args[])throws Exception
{
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
int a,b,ch;
System.out.println("Enter Two Intger Values:");
a=Integer.parseInt(br.readLine());
b=Integer.parseInt(br.readLine());
System.out.println("1.Addition \n 2.Subtraction \n 3.Multiplication \n 4. Division \n Enter Your Choice");
ch=Integer.parseInt(br.readLine());
switch(ch)
{
case 1:
Add aobj=new Add();
int res1=aobj.getAdd(a,b);
System.out.println("Addition is :"+res1);
break;
case 2:
Sub sobj=new Sub();
int res2=sobj.getSub(a,b);
System.out.println("Subtraction is :"+res2);
break;
case 3:
Mul mobj=new Mul();
int res3=mobj.getMul(a,b);
System.out.println("Multiplication is :"+res3);
break;
case 4:
Div dobj=new Div();
float res4=dobj.getDiv(a,b);
System.out.println("Division is :"+res4);
break;
default:
System.out.println("Enter With in the choice");
break;
}

}
}

--------------------------------------------------------------------------------------

package arithmetic;

public class  Add

{

            public int  getAdd(int x,int y)

            {

                        return (x+y);

            }

}

--------------------------------------------

package arithmetic;

public class Div

{

            public float  getDiv(int x,int y)

            {

                        float r=(float)x/y;

                        return (r);

                       

            }

}

-------------------------------------

package arithmetic;

public class  Mul

{

            public int  getMul(int x,int y)

            {

                        return (x*y);

            }

}

------------------------------

package arithmetic;

public class  Sub

{

            public int  getSub(int x,int y)

            {

                        return (x-y);

            }

}

III Bcom Lab Manual 2019 BT College

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