import java.util.Scanner;

class Nov15 {

	public static void main(String[] args) {

		int i = 0;
		do {
			System.out.printf("%d hello\n", i);
			i++;
		} while(i < 5);


		// ask user to enter in 2 integers,
		// use do-while loop to print values between
		// the 2 integers

		System.out.println("Enter 2 integers: ");
	
		Scanner kb = new Scanner(System.in);
		int x = kb.nextInt();
		int y = kb.nextInt();

		do {
			System.out.printf("%d ", x);
			x++;
		} while(x <= y);
		System.out.println();

		// loop on random values between 1 and 10
		// until 5 is generated

		x = 0;
		do {
			x = ((int) Math.floor(Math.random() * 10)) + 1;
			if (x != 5) {
				System.out.printf("%d ", x);
			}
		} while(x != 5);
		System.out.println();

		System.out.printf("generated: %d\n", x);

		// use a do-while loop to sum the numbers between
		// 1 and 20 until a value closest to 50 is computed

		x = 1;
		int sum = 0;
		do {
			sum += x;
			x++;
		} while(sum < 50);

		System.out.printf("sum: %d\n", sum); 
		

		// Switch 

		// can switch on int, char, String

		System.out.print("Enter integer: ");
		int input = kb.nextInt();

		switch(input) {
			case 1:
				System.out.println("A");
				break;	
			case 2:
				System.out.println("B");
				break;	
			case 3:
				System.out.println("C");
				break;	
			default:
				System.out.println("unknown");
		}		

	}
}