java_programming/Calculator.java at master · HimanshuGarg701/java_programming · GitHub

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package school;
import java.util.Scanner;

/**
 *
 * @author rgarg
 */
public class Calculator {
    public static void main(String[] args){
        // Defining the variables

        float num_1, num_2, add, diff, product, divide, remainder;
        char command = 'a';

        // Get the inputs

        Scanner input = new Scanner(System.in);
        do{
            System.out.print("Enter the first number: ");
            num_1 = input.nextInt();
            System.out.print("Enter the second number: ");
            num_2 = input.nextInt();

        // Giving the selection choice

            System.out.println("Enter 'a' for add, 's' for subtract, 'm' for multiply, 'd' for divide, 'r' for remainder, 'e' to exit");
            command = input.next().charAt(0);

            // Writing the if and else conditions

                if (command == 'a'){

                // Adding the 2 numbers

                    add = num_1 + num_2;
                    System.out.println("The sum of the two numbers is: "+ add);

                }else if(command == 's'){

                // subtracting the 2 numbers

                    diff = num_1 - num_2;
                    System.out.println("The difference of the 2 numbers is: "+ diff);

                }else if(command == 'm'){

                // multiplying the 2 numbers

                    product = num_1 * num_2;
                    System.out.println("The product of the 2 numbers is: " +product );

                }else if(command == 'd'){

                // diving the two numbers

                    divide = num_1/num_2;
                    System.out.println("The division of the numbers is: "+ divide);

                }else if(command == 'r'){

                //getting the remainder

                    remainder = num_1%num_2;
                    System.out.println("The remainder of the numbers is: " + remainder);

                }else if(command == 'e'){

                    // Breaking the loop

                    break;
                }
        }while (true);
    }

}