ZCW-MacroLabs-OOP-ScientificCalculator/Console.java

import java.util.Scanner;
/**
 * Created by leon on 2/9/18.
 */
public class Console {

    public static void print(String output, Object... args) {
        System.out.printf(output, args);

    }
    
    public static void println(String output, Object... args) {
        print(output + "\n", args);
    }

    public static String getStringInput(String prompt) {
        Scanner scanner = new Scanner(System.in);
        println(prompt);
        String userInput = scanner.nextLine();
        return userInput;
    }
    
    public static Double getDoubleInput(String prompt) {
        Scanner scanner = new Scanner(System.in);
        println(prompt);
        String userInput = scanner.nextLine();
        return userInput.parseDouble();
    }
    
    public static Integer getIntegerInput(String prompt) {
        return null;
    }

    public static Double getDoubleInput(String prompt) {
        Scanner sc = new Scanner(System.in);
        Double userNumber1 = sc.nextDouble();
        return userNumber1;
        
    }
}