ZCW-MacroLabs-OOP-ScientificCalculator/MainApplication.java

import java.util.Scanner;

public class MainApplication {
    boolean on = false;
    public static String state = "basic";
    public static Calculations calculator = new Calculations();
    Console console = calculator.console;
    
    public void main(String[] args) {
        calculator.calculator = this;
        //Console.println("Welcome to my calculator!");
        //String s = Console.getStringInput("Enter a string");
        //Integer i = Console.getIntegerInput("Enter an integer");
        //Double d = Console.getDoubleInput("Enter a double.");

        //Console.println("The user input %s as a string", s);
        //Console.println("The user input %s as a integer", i);
        //Console.println("The user input %s as a d", d);
    }
    
    public void Run(){
        Scanner scanner = new Scanner(System.in); 
        String result = "";
        while(this.on == true)
        {
            String userInput = scanner.nextLine();
            
            switch(state){
                case "basic":
                    result = calculator.getCommand(userInput);
                    System.out.println(result);
                break;
                
                case "PEMDAS":
                    result = calculator.pemdas.calculate(userInput);
                    System.out.println(result);
                break;    
            }
        }
    }
    
    public void Power(){
        this.on = !this.on;
        this.Run();
    }
}