Kod

import java.util.Scanner;


public class Menu {

	public static void displayMenu()
	{
		System.out.println("Please select one of the options below");
		System.out.println("1. Percentage Achieved");
		System.out.println("2. Powers of numbers");
		System.out.println("3. Simple Calculations");
		System.out.println("0. Exit");
	}

	public static void processUserChoices()
	{
		boolean exit = false;
		Scanner s1 = new Scanner(System.in);

		do
		{
		displayMenu();
		int option = s1.nextInt();


		switch (option)
		{
		case 1:
			System.out.println("Enter the percentage acheived:");


			System.out.println("Grade: " + Choice.grade(s1.nextInt()));
			break;
		case 2:
			System.out.println("Enter lower and upper bound value:");
			int lower = s1.nextInt();
			int upper = s1.nextInt();
			System.out.println("Value" + "\t" + "Square" + "\t" + "Cube" + "\t" + "Sqrt");
			for (lower = lower; lower <= upper; lower++)
			{
				System.out.println(lower + "\t" + lower*lower + "\t" + lower*lower*lower + "\t" + Math.sqrt(lower));
			}
			break;


		case 3:
			System.out.println("Enter the number: ");
			int number1 = s1.nextInt();
			int count = 1;
			int min = number1;
			int max = number1;
			int total = number1;
			int ave = number1;

			while (count <= 4)
			{

				System.out.println("Total of all numbers: " + (total));
				System.out.println("Average: " + (ave)/count);
				System.out.println("Minumum number entered: " + min);
				System.out.println("Maximum number entered: " + max);
				number1 = s1.nextInt();
				count++;
				ave = number1 + ave;
				total = number1 + total;
				if (min >= number1)
				{
					min = number1;
				}
				else
				{
					min = min;
				}
				if (max <= number1)
				{
					max = number1;
				}
				else
				{
					max = max;
				}

			}

			break;




		case 0:
			Choice.exit();
			exit = true;
			break;
		default:
			System.out.println("There is no such an option");
			break;
		}
		}
		while (exit == false);


	}

}