 ``` A simple calculator with do you want to continue in Java programming language.

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``````
package demo;

import java.util.Scanner;

public class mdas {

public static void main(String[] args) {

// create Scanner class object to
Scanner scan = new Scanner(System.in);

// Declare variables
int num1=0, num2=0;
char operator='\0';

char choice=	'\0';

do {

System.out.print("Enter the first Number      :  ");
num1 = scan.nextInt();
System.out.print("Enter the the Second number :  ");
num2 = scan.nextInt();

System.out.println("Available Operators"
+ "are::  (+ - * /)");
System.out.print("Choose Oerator : ");
operator = scan.next().charAt(0);

if  (operator == '+') {

System.out.println("The sum of  "+ num1 + " and " + num2 + " is " + (num1+num2)+".");
} else if (operator == '-'){

System.out.println("The difference between  "+ num1 + " and " + num2 + " is " + + (num1-num2)+".");
}

else if (operator == '*') {
System.out.println("The product between  "+ num1 + " and " + num2 + " is " + + (num1*num2)+".");
}

else if (operator == '/') {
System.out.println("The quotient betwenn  "+ num1 + " and " + num2 + " is " + + (num1/num2)+".");
}

else {
System.out.println("Invalid operator");
} // end of switch-case

System.out.print("Do you want to perform another calculation? [y-yes/n-no] : ");

choice = scan.next().charAt(0);

if (choice == 'N'|| choice == 'n') {

System.out.print("End of Program");
break;
}

} while(choice == 'Y'|| choice == 'y');

scan.close();

}

}

``````