import java.util.Scanner;

public class Menu {

	public static void main(String[] args) {
		boolean running = true;
		
		while(running)
		{
		menu();
		running=again();
		}
	}
	
	public static void menu() {
		
		Scanner scanObj = new Scanner(System.in);
		Operations opObj = new Operations();
		
		System.out.println("Which math tool would you like to use?");
		System.out.println();
		System.out.println("\t(1) Quadratic Formula");
		System.out.println("\t(2) System of Two Linear Equations");
		System.out.println("\t(3) Unavailable");
		System.out.println("\t(4) Unavailable");
		System.out.println();
		System.out.print("Which one?:");
		
		int j = scanObj.nextInt();
		
		switch(j){
		case 1: opObj.quadratic();
				break;
		case 2: opObj.linear();
				break;
		case 3: System.out.println("Not available yet. :("); //Idk what to do here.
				break;
		case 4: System.out.println("Not available yet. :("); //Idk what to do.
				break;
		default: System.out.println("You must input a number from 1 to 4!"); //If they give an invalid operation number.
				break;
		}
	}
	
	public static boolean again() {
		Scanner scanObj = new Scanner(System.in);
		
		System.out.println("------------------------------------------------"); //Signify new section.
		System.out.println("Would you like to do another? (1/0)");
		System.out.println();
		System.out.println("Yes(1) or No(0)?:");
		
		int j = scanObj.nextInt();
		
		System.out.println("------------------------------------------------"); //Signify new section.
		
		if(j==1)
		return true;
		
		System.out.println("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"); //Signify program end.
		return false;
		
	}

}