ZCW-MacroLabs-OOP-ScientificCalculator/Console.java

import java.util.Scanner;
/**
 * Created by leon on 2/9/18.
 */

public class Console {
    public void runCommandLoop() { 
        Scanner input = new Scanner(System.in);
        //String a = input.nextLine();
        //String b = input.nextLine();

        // Calculator calc = new ....
        System.out.println("Gimme some math to do!");
        System.out.println("Enter a command or \"HELP\" for help");
        while (true) {
            try{
                double value = 0;
                String command = input.nextLine();

                if (command.equalsIgnoreCase("exit"))  {
                    System.out.println("Thanks for calculating with us!");
                    break;
                }
                else if (command.equalsIgnoreCase("help")) {
                    System.out.println(Help.text());
                }
                else if (command.equalsIgnoreCase("dec")) {
                    System.out.println("Now working in DECIMAL MODE");
                }
                else if (command.equalsIgnoreCase("bin")) {
                    System.out.println("Now working in BINARY MODE");
                }
                else if (command.equalsIgnoreCase("hex")) {
                    System.out.println("Now working in HEXIDECIMAL MODE");
                }
                else if (command.equalsIgnoreCase("Oct")) {
                    System.out.println("Now working in OCTAL MODE");
                }
                else if (command.equalsIgnoreCase("rad")) {
                    System.out.println("RADIANS");
                }
                else if (command.equalsIgnoreCase("deg")) {
                    System.out.println("DEGREES");
                }
                else if (command.equalsIgnoreCase("units next")) {
                    //rotate units to next
                }
                else if (command.equalsIgnoreCase("add"))  {
                    System.out.println("Please input first number");
                    double i = input.nextDouble();
                    System.out.println("Please input second number");
                    double j = input.nextDouble();
                    value = Functions.add(i, j);
                    System.out.println(value);
                    System.out.println("Enter a command.");
                }
                else if (command.equalsIgnoreCase("subtract")) {
                    System.out.println("Please input first number");
                    double i = input.nextDouble();
                    System.out.println("Please input second number");
                    double j = input.nextDouble();
                    value = Functions.subtract(i, j);
                    System.out.println(value);
                    System.out.println("Enter a command.");
                }
                else if (command.equalsIgnoreCase("multiply")){
                    System.out.println("Please input first number");
                    double i = input.nextDouble();
                    System.out.println("Please input second number");
                    double j = input.nextDouble();
                    //return
                    System.out.println(Functions.multiply(i, j));
                    System.out.println("Enter a command.");
                }
                else if (command.equalsIgnoreCase("divide")){
                    System.out.println("Please input first number");
                    double i = input.nextDouble();
                    System.out.println("Please input second number");
                    double j = input.nextDouble();
                    System.out.println(Functions.divide(i,j));
                    System.out.println("Enter a command.");
                }
                else if (command.equalsIgnoreCase("square"))  {
                    System.out.println("Please input a number");
                    double i = input.nextDouble();
                    System.out.println(Functions.square(i));
                    System.out.println("Enter a command.");
                }
                else if (command.equalsIgnoreCase("root")){
                    System.out.println("Please input a number");
                    double i = input.nextDouble();
                    //return
                    System.out.println(Functions.squareRoot(i));
                    System.out.println("Enter a command.");
                }
                else if (command.equalsIgnoreCase("exponent")){
                    System.out.println("Please input first number");
                    double i = input.nextDouble();
                    System.out.println("Please input second number");
                    double j = input.nextDouble();
                    //return
                    System.out.println(Functions.exponent(i, j));
                    System.out.println("Enter a command.");
                }
                else if (command.equalsIgnoreCase("inverse")){
                    System.out.println("Please input a number");
                    double i = input.nextDouble();
                    //return
                    System.out.println(Functions.inverse(i));
                    System.out.println("Enter a command.");
                }
                else if (command.equalsIgnoreCase("invert")){
                    System.out.println("Please input a number");
                    double i = input.nextDouble();
                    //return
                    System.out.println(Functions.invertSign(i));
                    System.out.println("Enter a command.");
                }
                else if (command.equalsIgnoreCase("sin")){
                    System.out.println("Please input a number");
                    double i = input.nextDouble();
                    //return
                    System.out.println(Functions.sin(i));
                    System.out.println("Enter a command.");
                }
                else if (command.equalsIgnoreCase("cos")) {
                    System.out.println("Please input a number");
                    double i = input.nextDouble();
                    //return
                    System.out.println(Functions.cos(i));
                    System.out.println("Enter a command.");
                }
                else if (command.equalsIgnoreCase("tan")) {
                    System.out.println("Please input a number");
                    double i = input.nextDouble();
                    //return
                    System.out.println(Functions.tan(i));
                    System.out.println("Enter a command.");
                }
                else if (command.equalsIgnoreCase("cot")) {
                    System.out.println("Please input a number");
                    double i = input.nextDouble();
                    //return
                    System.out.println(Functions.cot(i));
                    System.out.println("Enter a command.");
                }
                else if (command.equalsIgnoreCase("sec")){
                    System.out.println("Please input a number");
                    double i = input.nextDouble();
                    //return
                    System.out.println(Functions.sec(i));
                    System.out.println("Enter a command.");
                }
                else if (command.equalsIgnoreCase("cos")) {
                    System.out.println("Please input a number");
                    double i = input.nextDouble();
                    //return
                    System.out.println(Functions.csc(i));
                    System.out.println("Enter a command.");
                }
                else if (command.equalsIgnoreCase("arcsin")){
                    System.out.println("Please input a number");
                    double i = input.nextDouble();
                    //return
                    System.out.println(Functions.arcsin(i));
                    System.out.println("Enter a command.");
                }
                else if (command.equalsIgnoreCase("arccos")){
                    System.out.println("Please input a number");
                    double i = input.nextDouble();
                    //return
                    System.out.println(Functions.arccos(i));
                    System.out.println("Enter a command.");
                }
                else if (command.equalsIgnoreCase("arctan")){
                    System.out.println("Please input a number");
                    double i = input.nextDouble();
                    //return
                    System.out.println(Functions.arctan(i));
                    System.out.println("Enter a command.");
                }

                else if (command.equalsIgnoreCase("addMem")) {
                    System.out.println("Adding to memory");
                    double i = 0;
                    i = Functions.memPlus(i);
                    System.out.println(Functions.memPlus(i));
                    System.out.println("Enter a command.");
                }
                else if(command.equalsIgnoreCase("clearMem")) {
                    System.out.println("Clearing memory");
                    double i = 0;
                    System.out.println("Memory cleared");
                    System.out.println("Enter a command.");
                }
                else if (command.equalsIgnoreCase("recall")) {
                    System.out.println(Functions.recall());
                    System.out.println("Enter a command.");
                }
                else if(command.equalsIgnoreCase("convert")){
                    
                    double convert = input.nextDouble();

                    Conversion.switchDisplay(convert);
                    System.out.println("Enter a command.");
                }
            }
            catch(Exception e){
                System.err.print("error!");
                continue;
            }

        }   
    }

    public static void main(String[] args){
        /*Conversion conv = new Conversion();
        Functions c = new Functions();
        c.functions();
        Help h = new Help();
        h.help();*/
    }
}