Code:
import java.util.Scanner;
public class Calculator
{
public Calculator()
{}
public static void main(String[] args)
{
Scanner s=new Scanner(System.in);
System.out.println("Please Enter Choice ");
System.out.println("1. ADDITION");
System.out.println("2. SUBTRACTION ");
System.out.println("3. MULTIPLICATION ");
System.out.println("4. DIVISION");
System.out.println("5. Power");
System.out.println("6. Square Root");
System.out.println("7. Cube");
System.out.println("8. Modulus");
int i=s.nextInt();
System.out.println("ENTER FIRST NUMBER ");
int a=s.nextInt();
System.out.println("ENTER SECOND NUMBER ");
int b=s.nextInt();
double result=0;//'result' will store the result of operation
switch(i)
{
case 1:
result=a+b;
break;
case 2:
result=a-b;
break;
case 3:
result=a*b;
break;
case 4:
if(b==0)//when denominator becomes zero
{
System.out.println("DIVISION NOT POSSIBLE");
break;
}
else
result=a/b;
default:
System.out.println("YOU HAVE ENTERED A WRONG CHOICE");
}
System.out.println("RESULT = "+result);
}
}
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