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/*

* To change this license header, choose License Headers in Project Properties.

* To change this template file, choose Tools | Templates

* and open the template in the editor.

*/

package DAA;

/**

*

* @author sunilshetty07

*/

import java.util.*;

public class Calculator {

public static void main(String[]args){

Scanner in = new Scanner(System.in);

float a,b,res;

int val;

System.out.println("enter the value of a");

a=in.nextFloat();

System.out.println("enter the value of b");

b=in.nextFloat();

System.out.println("1-->add\n2-->subtract\n3-->multiplication\n4-->division\n5-->exponent");

System.out.println("Enter your choice:");

val=in.nextInt();

while (val==0 || val>5)

{

System.out.println("Please enter number between 1 and 5");

val=in.nextInt();

}

switch(val)

{

case 1:res=a+b;

System.out.println("addition of "+a+" and "+b+" is: "+res);

break;

case 2:res=a-b;

System.out.println("Subtraction of "+a+" and "+b+" is: "+res);

break;

case 3:res=a*b;

System.out.println("Multiplication of "+a+" and "+b+" is: "+res);

break;

case 4:

try

{

res=a/b;

System.out.println("result of division is:"+res);

}

catch(ArithmeticException e)

{

System.out.println("Exceptin:"+e);

}

break;

case 5:

res=(int)Math.pow(a, b);

System.out.println(res);

break;

}

}

}