viewing paste ArithmeticCalculator | Java

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//For the input in console to work
import java.util.Scanner;
 
public   class   ArithmeticCalculator{
   
   public   static   void  main(String[] args){
      //define scan as scannner
      Scanner scan = new Scanner(System.in);
      //define operator as String
      String operator = new String();
     
      //Simple text display
      System.out.print("Please indicate the first number in the equation: ");
      //Using double for division
      double num_1 = scan.nextInt();
      System.out.print("Please indicate the operator: ");
      operator = scan.next();
      System.out.print("Please indicate the second number of the equation: ");
      //using double for division
      double num_2 = scan.nextInt();
      System.out.println("Thank you.. now processing..");
      System.out.println("Your first number was "+num_1+". Your second number was "+num_2+". Your operator was "+operator);
     
      //Turn the string into a char
      char op = operator.charAt(0);
     
      //send program to correct step depending on operator
      switch(op){
         case '*':
            System.out.println("Answer is: "+(num_1*num_2));
            break;
         
         case '/':
            System.out.println("Answer is: "+(num_1/num_2));
            break;
         
         case '+':
            System.out.println("Answer is: "+(num_1+num_2));
            break;
         
         case '-':
            System.out.println("Answer is: "+(num_1-num_2));
            break;
         
         //If none of the above apply
         default:
               System.out.println("Invalid Operator");
                //Stop application
               System.exit(0);
         
                }
     
        }
   
}
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